Topic 15: Important Species Lists — Birds, Mammals, Aquatic & Plant Species

A consolidated, exhaustive prelims-facts reference — key bird, terrestrial mammal, aquatic, invasive and plant species for UPSC, each with IUCN Red List status, Wildlife (Protection) Act Schedule and a distinguishing fact, plus marine plankton/kelp and two fully-labelled diagrams.

GS Paper III — Environment & Ecology UPSC Prelims + Mains Extremely High Prelims Yield Updated: July 2026

1Key Bird Species
2Conceptual Clarity — WPA Schedules & Reading IUCN Codes
3Key Terrestrial Mammal Species
4Key Aquatic Species
5Invasive Fauna — Recap
6Key Plant Species
7Marine Plankton, Seagrass & Kelp
8Current Affairs Link
9Prelims PYQs
10Mains PYQs
1115-Minute Revision Box

Conceptual Clarity — Why this Topic Matters

UPSC tests important-species lists in three distinct ways:

Definitional / static (factual recall): single-fact questions on a species' IUCN status, WPA Schedule, habitat, endemism, or a distinguishing feature (e.g. "state bird of Rajasthan," "India's only resident crane"). This is the single most fact-dense, memorisation-heavy prelims topic in Environment.
Statement-elimination: multi-statement questions that mix one true and one subtly false claim — usually swapping IUCN status (CR vs EN vs VU), confusing range (Gir-only vs multi-state), or mismatching a plant with the wrong trapping mechanism. Reading the tables precisely is the whole game.
Applied / current: latest census figures and conservation news — GIB power-line deaths, Asiatic Lion count, conservation-breeding progress — feeding both prelims data-recall and Mains GS-III single-landscape vulnerability answers (see Current Affairs section).

Focus especially on IUCN status vs WPA Schedule (two separate systems), "Threatened" = CR + EN + VU only, and insectivorous-plant trap-type matching — the three highest-frequency themes.

1. Key Bird Species

Ten bird species dominate UPSC's species-facts questions. Each is listed below with its IUCN Red List status, Wildlife (Protection) Act, 1972 Schedule, habitat and the single distinguishing fact examiners most often quiz.

Species	IUCN Status	WPA Schedule	Habitat	Distinguishing Fact
Great Indian Bustard Ardeotis nigriceps	Critically Endangered	Schedule I	Thar Desert grasslands — Rajasthan (Desert National Park), Gujarat (Kutch)	State bird of Rajasthan; India's heaviest flying bird; primary threat is collision with overhead power transmission lines
Sociable Lapwing Vanellus gregarius	Critically Endangered	Schedule I	Dry grasslands/agricultural fields of north-west India (winter visitor)	Breeds in the Kazakhstan steppe; one of the rarest winter migrants recorded in India
Siberian Crane Leucogeranus leucogeranus	Critically Endangered	Schedule I	Historically wintered at Keoladeo Ghana NP, Bharatpur	The Central/Western population that once wintered in India is now believed functionally extinct as an Indian migrant — a textbook flyway-conservation failure
Bengal Florican Houbaropsis bengalensis	Critically Endangered	Schedule I	Tall wet grasslands of the Terai — Assam (Kaziranga, Manas), UP (Dudhwa)	One of the rarest bustard species in the world; extreme grassland-specialist, highly sensitive to habitat conversion
Sarus Crane Antigone antigone	Vulnerable	Schedule IV	Wetlands and agricultural fields — UP, Rajasthan, Gujarat	World's tallest flying bird; India's only resident (non-migratory) crane; state bird of Uttar Pradesh; symbol of marital fidelity (mates for life)
White-bellied Heron Ardea insignis	Critically Endangered	Schedule I	Undisturbed rivers of the Eastern Himalayan foothills — Arunachal Pradesh, Assam	World's second-largest heron; among the rarest herons on Earth, with fewer than 60 individuals estimated in South/South-East Asia
Himalayan Quail Ophrysia superciliosa	Critically Endangered (possibly extinct)	Schedule I	Grassy hillsides of the Western Himalaya (Uttarakhand)	Not confirmed sighted since 1876; IUCN retains it as CR rather than Extinct pending exhaustive surveys
Jerdon's Courser Rhinoptilus bitorquatus	Critically Endangered	Schedule I	Scrub jungle of Andhra Pradesh — Sri Lankamalleswara Wildlife Sanctuary	Nocturnal bird presumed extinct for 86 years until its dramatic rediscovery in 1986
Nicobar Megapode Megapodius nicobariensis	Vulnerable	Schedule I	Endemic to the Nicobar Islands	"Big-foot" bird that incubates eggs using heat from mounds of decaying vegetation/volcanic soil rather than body warmth
Spoon-billed Sandpiper Calidris pygmaea	Critically Endangered	Schedule I	Winters on east-coast mudflats — Odisha, Andhra Pradesh	Unique spoon-shaped bill used for side-to-side filter feeding; breeds only in the Russian Far East (Chukotka)

UPSC Trap: Do not assume all critically endangered Indian birds are year-round residents — Sociable Lapwing, Siberian Crane and Spoon-billed Sandpiper are all winter migrants/passage visitors that breed entirely outside India (Central Asia/Russia), yet are fully protected under Indian law (Schedule I) while present in Indian territory.

2. Conceptual Clarity — WPA Schedules & Reading IUCN Codes

Every species table in this file carries two different classification systems side by side — the IUCN Red List category (a global, scientific extinction-risk assessment) and the Wildlife (Protection) Act, 1972 Schedule (an Indian domestic legal protection level). UPSC frequently conflates or tests the two separately — never assume a species' Schedule tracks its IUCN status exactly (e.g., Sarus Crane is only "Vulnerable" but its Schedule IV status gives it lower legal penalty than Schedule I species).

Wildlife (Protection) Act, 1972 — Schedule Structure

Originally the Act had six Schedules (I–VI), ranging from Schedule I (highest protection, harshest penalties) down to Schedule V (vermin — species that could be legally hunted, e.g. common crows, fruit bats, mice) and Schedule VI (specified plants). The Wildlife (Protection) Amendment Act, 2022 restructured this into just four Schedules, removing the vermin category altogether and aligning India's plant/animal trade schedule directly with CITES Appendices.

Old Schedule (Pre-2022)	New Schedule (Post-2022 Amendment)	Protection Level / Meaning
Schedule I & Part II of Schedule II	Schedule I	Highest protection — absolute prohibition on hunting; harshest penalties (e.g. Tiger, Snow Leopard, Great Indian Bustard)
Schedule II, III & IV	Schedule II	High protection, but comparatively lesser penalty than Schedule I (e.g. Sarus Crane-type species, many mammals not critically threatened)
Schedule VI	Schedule III	Specified plants — regulates cultivation/trade of a defined list (e.g. Nepenthes khasiana, orchid species)
Not present earlier	Schedule IV	New — species listed in CITES Appendices, regulating international trade, aligning domestic law with international commitments
Schedule V	Removed	Vermin category abolished entirely — no species can now be declared "vermin" for unrestricted hunting

How to Read IUCN Status Abbreviations Quickly

Order (Highest to Lowest Risk)	Code	Category
1	EX	Extinct
2	EW	Extinct in the Wild
3	CR	Critically Endangered
4	EN	Endangered
5	VU	Vulnerable
6	NT	Near Threatened
7	LC	Least Concern
8	DD	Data Deficient
9	NE	Not Evaluated

UPSC Trap: Only CR + EN + VU together are formally called "Threatened" categories. "Near Threatened" (NT) is explicitly NOT part of the Threatened bracket — a favourite prelims distractor. Also, "Data Deficient" (DD) does NOT mean a species is safe; it means there simply isn't enough data to assess risk.

Quick mnemonic: Extinction risk descends alphabetically-ish as "Extinct family → Threatened family → Lower-risk family": EX–EW (gone) → CR–EN–VU (Threatened) → NT–LC (safer) → DD–NE (unassessed).

3. Key Terrestrial Mammal Species

Ten mammal species that repeatedly anchor UPSC statement-based questions, each tied to a specific state/landscape and a named conservation programme.

Species	IUCN Status	WPA Schedule	Habitat	Conservation Programme / Key Fact
Snow Leopard Panthera uncia	Vulnerable	Schedule I	High-altitude Himalaya & Trans-Himalaya — Ladakh, HP, Uttarakhand, Sikkim, Arunachal	Project Snow Leopard (2009); India co-leads GSLEP (Global Snow Leopard & Ecosystem Protection Program); called "ghost of the mountains"
Red Panda Ailurus fulgens	Endangered	Schedule I	Temperate forests of Eastern Himalaya — Sikkim, Darjeeling, Arunachal Pradesh	State animal of Sikkim; sole living member of family Ailuridae; conservation breeding at Padmaja Naidu Himalayan Zoological Park, Darjeeling
Asiatic Lion Panthera leo persica	Endangered	Schedule I	Gir National Park, Gujarat — sole wild population on Earth	Asiatic Lion Conservation Project; distinguished from African Lion by a longitudinal belly-skin fold
One-horned Rhinoceros Rhinoceros unicornis	Vulnerable	Schedule I	Kaziranga NP, Assam — hosts roughly two-thirds of the world population	Indian Rhino Vision 2020; horn made of keratin (same as hair/nails), no medicinal value despite poaching demand
Asian Elephant Elephas maximus	Endangered	Schedule I	Fragmented forests — Karnataka, Assam, Kerala hold the largest populations	Project Elephant (1992); India's National Heritage Animal; "Gaj Yatra" campaign protects elephant corridors
Wild Water Buffalo Bubalus arnee	Endangered	Schedule I	Kaziranga & Manas NP (Assam); Udanti WLS (Chhattisgarh)	State animal of Chhattisgarh; wild ancestor of the domestic buffalo; hybridisation with domestic stock is a major genetic threat
Pygmy Hog Porcula salvania	Endangered	Schedule I	Tall alluvial grasslands of Manas NP, Assam	World's smallest wild pig; Pygmy Hog Conservation Programme is a global first-of-its-kind reintroduction success for a threatened suid
Hangul (Kashmir Stag) Cervus hanglu hanglu	Critically Endangered	Schedule I	Dachigam National Park, Jammu & Kashmir	Only surviving Asiatic subspecies of Red Deer in India; protected under Project Hangul
Nilgiri Tahr Nilgiritragus hylocrius	Endangered	Schedule I	Shola-grassland ecosystem of the Western Ghats — Eravikulam NP (Kerala/Tamil Nadu)	State animal of Tamil Nadu; only mountain ungulate endemic to the southern Western Ghats; "Project Nilgiri Tahr" launched by Tamil Nadu (2022)
Malabar Civet Viverra civettina	Critically Endangered	Schedule I	Lowland forests of the Western Ghats, Kerala	Endemic to the Western Ghats; possibly on the brink of extinction — no confirmed sighting since the 1990s

Naming pattern to remember: Most named conservation programmes follow "Project + Species" (Project Tiger, Project Elephant, Project Snow Leopard, Project Hangul) — these are almost always MoEFCC-run, Centrally Sponsored flagship programmes, distinct from a species' IUCN or WPA classification.

4. Key Aquatic Species

Species	IUCN Status	WPA Schedule	Habitat	Distinguishing Fact
Gangetic River Dolphin Platanista gangetica	Endangered	Schedule I	Ganga-Brahmaputra-Meghna river system	India's National Aquatic Animal; functionally blind, navigates and hunts entirely by echolocation; Project Dolphin (2020) launched under Namami Gange
Ganges Shark Glyphis gangeticus	Critically Endangered	Schedule I	Freshwater stretches of the Ganga and Brahmaputra	One of the world's rarest and least-studied sharks; a true freshwater shark, frequently misidentified as the Bull Shark
Olive Ridley Turtle Lepidochelys olivacea	Vulnerable	Schedule I	Odisha coast — Gahirmatha, Rushikulya, Devi river mouth	Smallest and most abundant sea turtle species; famous for mass synchronised nesting called "arribada," with Gahirmatha hosting the world's largest rookery
Dugong Dugong dugon	Vulnerable	Schedule I	Gulf of Mannar, Palk Bay, Gulf of Kachchh, Andaman & Nicobar Islands	Only strictly herbivorous marine mammal ("sea cow"), entirely dependent on seagrass meadows; India's first Dugong Conservation Reserve declared in Palk Bay, Tamil Nadu (2022)
Indian Skimmer Rynchops albicollis	Endangered	Schedule I	Sandbanks of large rivers — Chambal, Ganga, Mahanadi	Uniquely elongated lower mandible used to "skim" the water surface for fish while in low flight

Diagram — IUCN Status Distribution Among Listed Species

Across the 25 named bird, mammal and aquatic species above, the breakdown by IUCN Red List category is skewed heavily toward the most severe risk tiers — a pattern UPSC uses to test whether students can identify that "listed for UPSC" almost always means "high extinction risk."

Fig 15.1 — IUCN Red List status breakdown across the 25 named India species in this topic (11 CR, 8 EN, 6 VU)

5. Invasive Fauna — Recap

These invasive fauna species were covered in mechanism-and-pathway detail in Topic 12: Biodiversity Loss & Threats. This is a fact-recap table for revision purposes only.

Species	Native Region	Impact in India
African Catfish Clarias gariepinus	Africa	Aggressive predator of native fish; culture is officially banned in India but persists informally, especially in illegal fish-farming
Apple Snail Pomacea	South America	Destroys paddy crops by feeding on young rice shoots; acts as a vector for the rat lungworm parasite (a human health risk)
Red-eared Slider Trachemys scripta elegans	North America	Released pet-trade turtle that outcompetes native turtle species for basking sites and food in Indian wetlands

Cross-link: See Topic 12 for the full invasive alien species (IAS) list, introduction pathways (ballast water, pet trade, ornamental plants, agriculture) and India's biosecurity response framework.

6. Key Plant Species

Insectivorous Plants of India

India hosts five genera of carnivorous plants, each using a mechanically distinct trapping strategy to supplement nutrient-poor soils (typically bogs, marshes and lateritic soils low in nitrogen).

Species / Genus	Family	Trapping Mechanism (1-line)	Distribution in India
Sundew Drosera spp. (e.g. D. indica, D. burmanii)	Droseraceae	Sticky/flypaper trap — glandular tentacles secrete adhesive mucilage that traps insects, then curl inward to digest them	Western Ghats, north-eastern India, wetland margins
Waterwheel Plant Aldrovanda vesiculosa	Droseraceae	Underwater snap trap — bilobed leaf pairs close rapidly around prey, mechanically similar to the Venus flytrap	Free-floating aquatic species, extremely rare/near-extirpated in parts of north-east India
Pitcher Plant Nepenthes khasiana	Nepenthaceae	Pitfall trap — a modified leaf tip forms a fluid-filled pitcher; insects slip on the waxy rim, fall in and drown, then are digested by enzymes	India's only native Nepenthes species; endemic to the Khasi and Garo Hills, Meghalaya; Schedule III (specified plants) protected
Bladderwort Utricularia spp.	Lentibulariaceae	Bladder/suction trap — hollow underwater bladders maintain a vacuum; trigger hairs spring open a trapdoor, sucking in prey within milliseconds (fastest plant trap known)	Aquatic/semi-aquatic; widespread across Indian wetlands and paddy fields
Butterwort Pinguicula spp.	Lentibulariaceae	Flypaper trap — leaf surface is covered in glandular hairs secreting sticky mucilage that traps and slowly digests small insects	Restricted to the Himalayan region; least common of the five genera in India

Medicinal Plants of India — Named List

Plant	Primary Medicinal Use
Rauvolfia serpentina (Sarpagandha)	Source of reserpine — used against hypertension and as an antipsychotic; overharvested from the wild
Withania somnifera (Ashwagandha)	Adaptogen — used for stress, immunity and vitality
Ocimum sanctum (Tulsi)	Respiratory ailments, immunity, considered sacred in Indian tradition
Curcuma longa (Turmeric)	Anti-inflammatory, antiseptic, wound healing
Commiphora wightii (Guggul)	Cholesterol-lowering resin, heavily overexploited in the wild
Aloe vera	Skin treatment, wound healing, digestive uses
Azadirachta indica (Neem)	Antibacterial, antifungal, natural pesticide (neem-coated urea)
Saussurea costus (Kuth)	Himalayan medicinal root, CITES Appendix I-listed due to overexploitation

Diagram — Insectivorous Plant Trapping Mechanisms

Three fundamentally different trap designs are commonly asked to be matched with their genus — pitfall (Nepenthes), sticky/flypaper (Drosera) and bladder/suction (Utricularia).

Fig 15.2 — Three Insectivorous Plant Trapping Mechanisms: Pitfall (Nepenthes), Sticky (Drosera), Bladder-Suction (Utricularia)

7. Marine Plankton, Seagrass & Kelp

Category	Examples	Ecological Role
Phytoplankton	Diatoms, dinoflagellates (e.g. Noctiluca — bioluminescent, causes red tides)	Primary producers of the ocean; responsible for roughly half of global photosynthetic oxygen production; base of the entire marine food web and driver of the "biological carbon pump"
Zooplankton	Copepods, krill, larval fish (ichthyoplankton), jellyfish larvae	Primary consumers; transfer energy from phytoplankton to fish, seabirds and whales; krill specifically underpin Antarctic marine food webs
Seagrass	Thalassia, Cymodocea, Halophila — India's meadows in Gulf of Mannar, Palk Bay, Lakshadweep	True flowering plants (not algae); nursery habitat for fish, exclusive food source for Dugongs; among the most efficient blue carbon ecosystems per unit area on Earth
Kelp	Laminaria, Macrocystis (giant kelp) — large brown algae of cold/temperate waters	Forms dense underwater "kelp forests" providing habitat and nursery grounds; largely absent from India's tropical coastal waters (occurs in California, South Africa, Tasmania); India instead promotes seaweed (macroalgae) farming — Kappaphycus, Gracilaria — under its Blue Economy policy

Blue Carbon link: Seagrass meadows, mangroves and salt marshes together form the three "blue carbon" ecosystems recognised globally for capturing and storing atmospheric carbon in marine sediments far more efficiently, per hectare, than terrestrial forests — a recurring theme connecting this topic to India's coastal wetland conservation and climate mitigation commitments.

UPSC Trap: Do not confuse seagrass (a flowering plant, angiosperm, with roots and true leaves) with seaweed/kelp (multicellular algae with no true roots, stems or leaves) — this distinction is frequently tested in statement-based questions.

8. Current Affairs Link (2024–2026)

Latest species census and population data — the most exam-relevant, fastest-changing facts on this topic. Always verify against the latest official release before your attempt.

Great Indian Bustard — conservation breeding check for latest update or data

Latest government estimates (2025) place the wild population at approximately 150–200 individuals across Rajasthan's Desert National Park landscape and Gujarat's Kutch region. The conservation-breeding programme at Sam (Jaisalmer), run jointly by the Wildlife Institute of India (WII) and Rajasthan Forest Department, has hatched 50+ chicks in captivity as of 2025 — a key step toward eventual reintroduction.

Asiatic Lion — 16th census check for latest update or data

The Gujarat Forest Department's population-estimation exercise (May 2025, the 16th count) reported approximately 890+ individuals across the Saurashtra landscape, up from 674 in 2020 — a five-decade recovery, though the entire population remains confined to a single landscape, a standing extinction-risk concern.

GIB power-line mitigation — Supreme Court directions check for latest update or data

Following Supreme Court directions, 2025 saw continued rollout of bird diverters and underground cabling in "priority" and "potential" GIB habitat zones — balancing species survival against renewable-energy (solar/wind) transmission expansion in Rajasthan and Gujarat.

UPSC Relevance: Fresh census figures for flagship species (GIB, Asiatic Lion, Tiger, Elephant, Snow Leopard) are asked almost every prelims cycle as direct data-recall questions, and feed into Mains GS-III answers on single-landscape species vulnerability and human-wildlife conflict from infrastructure expansion.

9. Prelims PYQs

UPSC Prelims 2023

Q. With reference to the Great Indian Bustard, consider the following statements:

1. It is the State bird of Rajasthan.
2. Its entire global range lies within Rajasthan state.
3. It is listed under Schedule I of the Wildlife (Protection) Act, 1972.

Which of the statements given above is/are correct?

(a)1 and 3 only
(b)2 and 3 only
(c)1, 2 and 3
(d)1 only

Ans: (a). 1 and 3 only — the species also occurs in Gujarat (Kutch) and historically in Maharashtra, Karnataka and Andhra Pradesh, so statement 2 is false.

UPSC Prelims 2015

Q. Consider the following statements regarding the Sociable Lapwing:

1. It breeds in the steppes of Kazakhstan and Central Asia.
2. It winters in parts of north-west India.
3. Its IUCN status is "Least Concern."

Which of the statements given above is/are correct?

(a)1 and 2 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3

Ans: (a). 1 and 2 only — the Sociable Lapwing is Critically Endangered, not Least Concern.

UPSC Prelims 2019

Q. Which of the following statements about the Sarus Crane is/are correct?

1. It is the world's tallest flying bird.
2. It is India's only resident, non-migratory crane species.
3. It is the State bird of Uttar Pradesh.

Select the correct answer using the code below:

(a)1 and 2 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3

Ans: (d). 1, 2 and 3 — all three statements are correct.

UPSC Prelims 2021

Q. The Snow Leopard is best described by which of the following?

(a)A high-altitude Trans-Himalayan predator, IUCN status Vulnerable, protected under Schedule I of the WPA, 1972
(b)A lowland grassland specialist, IUCN status Least Concern
(c)A marine mammal found off the Gujarat coast
(d)A migratory bird found in the Thar Desert

Ans: (a). A high-altitude Trans-Himalayan predator, IUCN status Vulnerable, protected under Schedule I of the WPA, 1972.

UPSC Prelims 2020

Q. With reference to the Asiatic Lion, consider the following statements:

1. Its only wild population is found in Gir National Park, Gujarat.
2. It can be distinguished from the African Lion by a longitudinal fold of skin along its belly.
3. Its IUCN status is "Critically Endangered."

Which of the statements given above is/are correct?

(a)1 and 2 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3

Ans: (a). 1 and 2 only — the Asiatic Lion's IUCN status is "Endangered," not "Critically Endangered."

UPSC Prelims 2017

Q. The One-horned Rhinoceros is found in the highest density in which of the following protected areas?

(a)Gir National Park
(b)Kaziranga National Park
(c)Dachigam National Park
(d)Eravikulam National Park

Ans: (b). Kaziranga National Park, Assam.

UPSC Prelims 2018

Q. Consider the following statements regarding the Dugong:

1. It is a herbivorous marine mammal dependent on seagrass beds.
2. India's first Dugong Conservation Reserve was declared in Tamil Nadu.
3. It is found only along the Odisha coast.

Which of the statements given above is/are correct?

(a)1 and 2 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3

Ans: (a). 1 and 2 only — the Dugong is found in the Gulf of Mannar, Palk Bay, Gulf of Kachchh and Andaman & Nicobar waters, not the Odisha coast.

UPSC Prelims 2016

Q. Nepenthes khasiana, found in India, is best described as:

(a)A carnivorous pitcher plant endemic to the Khasi and Garo Hills of Meghalaya
(b)A migratory bird species of the Eastern Himalaya
(c)A marine mammal found in the Gulf of Mannar
(d)An invasive alien plant species

Ans: (a). A carnivorous pitcher plant endemic to the Khasi and Garo Hills of Meghalaya — India's only native Nepenthes species.

UPSC Prelims 2022

Q. Which of the following pairs of insectivorous plant and its trapping mechanism is correctly matched?

(a)Nepenthes — Bladder/suction trap
(b)Drosera — Pitfall trap
(c)Utricularia — Sticky/flypaper trap
(d)Nepenthes — Pitfall trap

Ans: (d). Nepenthes — Pitfall trap; Drosera uses a sticky/flypaper trap and Utricularia uses a bladder/suction trap.

10. Mains PYQs

Mains GS-III 2020

Q. Discuss the conservation status and threats faced by the Great Indian Bustard, and evaluate the measures undertaken by the Government of India to protect the species. (250 words)

Model Answer Framework

Introduction: The Great Indian Bustard (Ardeotis nigriceps), state bird of Rajasthan and India's heaviest flying bird, is IUCN Critically Endangered and WPA Schedule I, with a wild population of only ~150–200 — a flagship of grassland conservation.
Body — Threats:
- Collision with overhead power-transmission lines (the single largest cause of adult mortality).
- Grassland habitat loss/degradation and conversion to agriculture and industry.
- Wind/solar infrastructure expansion across the Thar Desert range.
- Poor natural recruitment — lays a single egg, ground-nesting (predation, disturbance).
Body — Government measures:
- Supreme Court-directed bird diverters and underground cabling in priority habitat.
- Project GIB conservation-breeding centre at Sam (Jaisalmer), run by WII — 50+ chicks hatched.
- Species Recovery component under the Integrated Development of Wildlife Habitats scheme; Desert National Park protection.
Conclusion: The GIB is a textbook case of single-landscape vulnerability; its survival hinges on reconciling renewable-energy expansion with grassland conservation, not treating the two as a trade-off.

250 words · 15 marks

Mains GS-III 2019

Q. "India's Wildlife (Protection) Act, 1972 was significantly restructured by the 2022 Amendment." Examine the key changes and their implications for species and trade regulation. (250 words)

Model Answer Framework

Introduction: The WPA 1972 is India's principal wildlife-protection law; the 2022 Amendment rationalised its Schedule structure and aligned it with international commitments under CITES.
Body — Key changes:
- Reduced Schedules from six to four — Schedule I (highest protection), II (lesser penalty), III (specified plants), IV (CITES-listed species for trade).
- Abolished the "vermin" category (old Schedule V) — no species can now be freely hunted as vermin.
- Introduced a dedicated CITES-implementation schedule and management/scientific authorities.
- Empowered the Centre to designate Standing Committees and regulate invasive alien species.
Body — Implications:
- Simpler, clearer protection tiers reduce administrative ambiguity.
- Direct CITES alignment strengthens control of international wildlife trade.
- Concerns: reduced flexibility on genuine human-wildlife conflict (loss of vermin route); enforcement capacity remains the binding constraint.
Conclusion: The Amendment modernises India's wildlife law and harmonises it with global trade norms, but its impact depends on field-level enforcement and conflict-management alternatives.

250 words · 15 marks

Mains GS-III 2017

Q. Many flagship Indian species survive as single, isolated populations. Discuss the conservation risks this poses, using suitable examples, and suggest strategies to mitigate them. (250 words)

Model Answer Framework

Introduction: Several of India's most iconic species persist as a single geographic population — a fragile conservation state where one localised catastrophe can threaten the entire species.
Body — Examples:
- Asiatic Lion — confined entirely to the Gir/Saurashtra landscape (~890+, 2025 census).
- Hangul (Kashmir stag) — largely restricted to Dachigam NP.
- Great Indian Bustard — a few fragmented Thar Desert pockets.
- One-horned Rhino — concentrated in Kaziranga.
Body — Risks:
- Epidemic disease (e.g. canine distemper in lions) can wipe out a whole population.
- Localised drought, fire, flood or poaching event; inbreeding and reduced genetic diversity.
Body — Strategies:
- Establish a second/satellite population (e.g. long-pending Asiatic Lion translocation to Kuno).
- Ex-situ conservation-breeding backup + reintroduction pipelines.
- Landscape-level habitat corridors and disease surveillance.
Conclusion: Distributing risk across multiple populations and landscapes — not maximising numbers in a single site — is the core insurance principle for flagship-species survival.

250 words · 15 marks

11. 15-Minute Revision Box

Rapid Revision — Important Species Lists

Birds (10) — all except Sarus Crane are CR

GIB, Sociable Lapwing, Siberian Crane, Bengal Florican, White-bellied Heron, Himalayan Quail, Jerdon's Courser, Spoon-billed Sandpiper = CR.
Sarus Crane = VU (only Schedule IV, non-CR bird on the list) — world's tallest flying bird, India's only resident crane.
Nicobar Megapode = VU — mound-incubator, endemic to Nicobar Islands.

Mammals (10)

CR: Hangul, Malabar Civet. EN: Red Panda, Asiatic Lion, Asian Elephant, Wild Water Buffalo, Pygmy Hog, Nilgiri Tahr. VU: Snow Leopard, One-horned Rhino.
"Project + Species" pattern: Project Tiger, Elephant, Snow Leopard, Hangul — all MoEFCC flagship programmes.

Aquatic (5)

Gangetic Dolphin (EN, National Aquatic Animal), Ganges Shark (CR), Olive Ridley (VU, arribada at Gahirmatha), Dugong (VU, seagrass-dependent), Indian Skimmer (EN).

WPA 1972 Schedules (Post-2022)

Schedule I (highest) → Schedule II (high, lesser penalty) → Schedule III (specified plants) → Schedule IV (CITES-listed, trade). Old Schedule V (vermin) abolished.

IUCN Codes — Order

EX → EW → CR → EN → VU → NT → LC → DD → NE. "Threatened" = CR + EN + VU ONLY (NT is NOT threatened).

Insectivorous Plants — Trap Types

Nepenthes = Pitfall trap. Drosera & Pinguicula = Sticky/flypaper trap. Aldrovanda = Snap trap (underwater). Utricularia = Bladder/suction trap (fastest, <1 millisecond).

Marine Ecology Quick Facts

Phytoplankton = ~50% of global oxygen + base of marine food web. Zooplankton = energy transfer to fish/whales.
Seagrass (flowering plant, blue carbon) ≠ Kelp (brown algae, cold-water only, largely absent from India).
2025: GIB population ~150-200; Asiatic Lion ~890+ (May 2025 census, up from 674 in 2020).

Topic 15: Important Species Lists — Birds, Mammals, Aquatic & Plant Species

Table of Contents

Conceptual Clarity — Why this Topic Matters

1. Key Bird Species

2. Conceptual Clarity — WPA Schedules & Reading IUCN Codes

Wildlife (Protection) Act, 1972 — Schedule Structure

How to Read IUCN Status Abbreviations Quickly

3. Key Terrestrial Mammal Species

4. Key Aquatic Species

Diagram — IUCN Status Distribution Among Listed Species

5. Invasive Fauna — Recap

6. Key Plant Species

Insectivorous Plants of India

Medicinal Plants of India — Named List

Diagram — Insectivorous Plant Trapping Mechanisms

7. Marine Plankton, Seagrass & Kelp

8. Current Affairs Link (2024–2026)

9. Prelims PYQs

10. Mains PYQs

Model Answer Framework

Model Answer Framework

Model Answer Framework

11. 15-Minute Revision Box

Rapid Revision — Important Species Lists

Birds (10) — all except Sarus Crane are CR

Mammals (10)

Aquatic (5)

WPA 1972 Schedules (Post-2022)

IUCN Codes — Order

Insectivorous Plants — Trap Types

Marine Ecology Quick Facts