Critically endangered
4 species| Photo | English | සිංහල | தமிழ் | Scientific name | IUCN | Endemic |
|---|---|---|---|---|---|---|
| Bambaradeniya’s Shrub Frog | — | — | Pseudophilautus bambaradeniyai | CR | Endemic | |
| Bandarawela Round-Eyed Gecko | — | — | Cnemaspis latha | CR | — | |
| Bentfin Devil Ray | — | — | Mobula thurstoni | CR | — | |
| Butewe’s Day Gecko | — | — | Cnemaspis butewai | CR | — |
