Least concern
989 species| Photo | English | සිංහල | தமிழ் | Scientific name | IUCN | Endemic |
|---|---|---|---|---|---|---|
| Barred Soapfish | — | — | Diploprion bifasciatus | LC | — | |
| Barred Thicklip | — | — | Hemigymnus fasciatus | LC | — | |
| Barred-Chest Grouper | — | — | Epinephelus faveatus | LC | — | |
| Barred-Fin Moray | — | — | Gymnothorax zonipectis | LC | — | |
| Bay-Backed Shrike | — | சின்னக் கீச்சான் | Lanius vittatus | LC | — | |
| Baya Weaver | — | தூக்கணாங்குருவி | Ploceus philippinus | LC | — | |
| Beaked Sea Snake | — | வலைக்கடியன் | Hydrophis schistosus | LC | — | |
| Bearded Leatherjacket | — | — | Anacanthus barbatus | LC | — | |
| Bengal Monitor | තලගොයා | உடும்பு | Varanus bengalensis | LC | — | |
| Bengal Sergeant | — | — | Abudefduf bengalensis | LC | — | |
| Besra | — | சின்ன வல்லூறு | Tachyspiza virgata | LC | — | |
| Bigeye Scad | — | — | Selar crumenophthalmus | LC | — | |
| Bigeye Snapper | — | — | Lutjanus lutjanus | LC | — | |
| Bigeye Trevally | — | ஊசிப்பாரை | Caranx sexfasciatus | LC | — | |
| Black Bittern | — | கருங்குருகு | Botaurus flavicollis | LC | — | |
| Black Damsel | — | — | Neoglyphidodon melas | LC | — | |
| Black Drongo | කළු කවුඩා | இரட்டைவால் குருவி | Dicrurus macrocercus | LC | — | |
| Black Eagle | — | கருங்கழுகு | Ictinaetus malaiensis | LC | — | |
| Black Kite | — | கரும்பருந்து | Milvus migrans | LC | — | |
| Black Pomfret | — | கருவாவல் | Parastromateus niger | LC | — | |
| Black Prince | — | — | Rohana parisatis | LC | — | |
| Black Pyramid Butterflyfish | — | — | Hemitaurichthys zoster | LC | — | |
| Black Rat | — | — | Rattus rattus | LC | — | |
| Black-And-White Snapper | — | — | Macolor niger | LC | — | |
| Black-Browed Reed Warbler | — | — | Acrocephalus bistrigiceps | LC | — | |
| Black-Capped Bulbul | — | கருந்தலைக் கொண்டைக் குருவி | Rubigula melanictera | LC | Endemic | |
| Black-Crowned Night Heron | — | இராக்கொக்கு | Nycticorax nycticorax | LC | — | |
| Black-Finned Triggerfish | — | — | Melichthys indicus | LC | — | |
| Black-Headed Cuckooshrike | — | கருந்தலைக் குயில் கீச்சான் | Lalage melanoptera | LC | — | |
| Black-Headed Gull | — | கருந்தலை கடற்காக்கை | Chroicocephalus ridibundus | LC | — | |
| Black-Headed Ibis | — | இந்திய வெள்ளை அரிவாள் மூக்கன் | Threskiornis melanocephalus | LC | — | |
| Black-Headed Snake | — | — | Sibynophis subpunctatus | LC | — | |
| Black-Naped Monarch | — | நீலநிறக் கரும் பிடரி அரசவால் ஈபிடிப்பான் | Hypothymis azurea | LC | — | |
| Black-Naped Tern | — | கறும்பிடரி ஆலா | Sterna sumatrana | LC | — | |
| Black-Necked Stork | — | — | Ephippiorhynchus asiaticus | LC | — | |
| Black-Rumped Flameback | — | பொன்முதுகு மரங்கொத்தி | Dinopium benghalense | LC | — | |
| Black-Throated Munia | — | கருந்தொண்டைச் சில்லை | Lonchura kelaarti | LC | — | |
| Black-Throated Thrush | — | — | Turdus atrogularis | LC | — | |
| Black-Tipped Flashwing | — | — | Vestalis nigrescens | LC | — | |
| Black-Winged Kite | — | கருந்தோள் பருந்து | Elanus caeruleus | LC | — | |
| Black-Winged Stilt | — | நெடுங்கால் உள்ளான் | Himantopus himantopus | LC | — | |
| Blackback Butterflyfish | — | — | Chaetodon melannotus | LC | — | |
| Blackblotched Porcupinefish | — | — | Diodon liturosus | LC | — | |
| Blackeye Thicklip | — | — | Hemigymnus melapterus | LC | — | |
| Blackfin Anemonefish | — | — | Amphiprion nigripes | LC | — | |
| Blackfin Barracuda | — | — | Sphyraena qenie | LC | — | |
| Blackpatch Triggerfish | — | — | Rhinecanthus verrucosus | LC | — | |
| Blacksaddle Toby | — | — | Canthigaster valentini | LC | — |
