Sri Lanka's Endemic Wildlife: 12 Species Found Nowhere Else on Earth

Sri Lanka has been isolated from mainland India for approximately 10,000 years. This relatively short isolation has nonetheless produced extraordinary endemism.

The numbers: - Mammals: 16 endemic species - Birds: 33 endemic species - Reptiles: 139 endemic species (over 75% — extraordinarily high) - Amphibians: 111 endemic species (over 93% — among the highest rates in the world) - Freshwater fish: 50 endemic species - Flowering plants: Over 1,000 endemic species

Wilpattu protects populations of 8 endemic bird species and several endemic mammal subspecies, making it an important site for endemic biodiversity.

1. Sri Lankan Leopard (Panthera pardus kotiya): Distinct subspecies, smaller than Indian leopards with longer tail. Population: 700–950.

2. Sri Lankan Elephant (Elephas maximus maximus): Largest Asian elephant subspecies. Males reach 5,500 kg. Approximately 40% of males are tuskless.

3. Sri Lankan Sloth Bear (Melursus ursinus inornatus): Distinct subspecies, smaller than Indian subspecies, with shorter, denser coat.

4. Toque Macaque (Macaca sinica): Endemic primate with three subspecies adapted to different climatic zones. Recognisable by whorl of hair on the crown.

5. Purple-faced Langur (Semnopithecus vetulus): Endemic primate. Dark purplish-black face with white or grey fur. Arboreal, leaf-eating.

1. Sri Lanka Junglefowl (Gallus lafayettii) — National Bird: Most frequently seen endemic. Males have bright orange body, purple-black tail.

2. Sri Lanka Woodshrike (Tephrodornis affinis): Small grey-white bird in mixed feeding flocks.

3. Sri Lanka Green Pigeon (Treron pompadora): Fruit-eating canopy pigeon.

4. Crimson-fronted Barbet (Psilopogon rubricapillus): Red forehead, distinctive territorial call.

5. Sri Lanka Grey Hornbill (Ocyceros gingalensis): Large, noisy, often in family groups.

6. Sri Lanka Drongo (Dicrurus lophorinus): Iridescent black with racket-shaped tail tips.

7. Sri Lanka Bay Owl (Phodilus assimilis): Nocturnal and secretive. Wilpattu is one of few reliable sites.

8. Brown-capped Babbler (Pellorneum fuscocapillus): Secretive ground-dweller, distinctive fluting call.

1. Sri Lankan Kangaroo Lizard (Otocryptis wiegmanni): Small, long-legged, runs bipedally.

2. Sri Lankan Green Pit Viper (Trimeresurus trigonocephalus): Arboreal, bright green, venomous but rarely aggressive.

3. Sri Lankan Hump-nosed Viper (Hypnale hypnale): One of the 'big four' venomous snakes, distinctive upturned snout.

4. Sri Lankan Tree Frog (Polypedates cruciger): Commonly heard calling at night near bungalows. Distinctive 'quack' call.

5. Ceylon Paddletail Newt (Lissotriton vulgaris ceylonensis): Rare and declining, found in slow-moving streams.