Species starting with J
Index built 10 November 2026
- Jamaican Blackbird Nesopsar nigerrimus EN
- Jamaican coney Geocapromys brownii EN
- Jamaican iguana Cyclura collei CR
- Japanese angelshark Squatina japonica CR
- Japanese eel Anguilla japonica EN
- Japanese spurdog Squalus japonicus EN
- Japanese topeshark Hemitriakis japanica EN
- Japanese white crucian carp Carassius cuvieri EN
- Java sparrow Lonchura oryzivora EN
- Javan Green Magpie Cissa thalassina CR
- Javan Pied Myna Gracupica jalla CR
- Javan rhinoceros Rhinoceros sondaicus CR
- Javan slow loris Nycticebus javanicus CR
- Javan warty pig Sus verrucosus EN
- Jentink's duiker Cephalophus jentinki EN
- Jerdon's Courser Rhinoptilus bitorquatus CR
- Jewelled gecko Naultinus gemmeus EN
- Juan Fernández firecrown Sephanoides fernandensis CR
- Juan Fernández Tit-Tyrant Anairetes fernandezianus EN
- Jullien's Golden Carp Probarbus jullieni CR
- June sucker Chasmistes liorus CR
- Junin grebe Podiceps taczanowskii EN