ARKive's most wanted species listed alphabetically by scientific name
| Scientific name | Common name | Status |
|---|---|---|
| Aristolochia hainanensis | VU | |
| Aristolochia obliqua | VU | |
| Aristolochia scytophylla | EN | |
| Aristolochia tuberosa | EN | |
| Aristolochia utriformis | CR | |
| Aristolochia westlandii | CR | |
| Aristolochia yunnanensis | VU | |
| Arius bonillai | New Grenada Sea Catfish | EN |
| Arius festinus | EN | |
| Arius uncinatus | EN | |
| Arlequinus krebsi | EN | |
| Armeria berlengensis | CR | |
| Armeria pseudarmeria | EN | |
| Armeria sampaioi | VU | |
| Armeria soleirolii | EN | |
| Armsia petasus | CR | |
| Arnoldichthys spilopterus | Niger tetra | VU |
| Aromobates duranti | EN | |
| Aromobates haydeeae | EN | |
| Aromobates leopardalis | CR | |
| Aromobates nocturnus | Skunk Frog | CR |
| Aromobates orostoma | EN | |
| Aromobates saltuensis | EN | |
| Aromobates serranus | EN | |
| Artabotrys rupestris | EN | |
| Artemisia granatensis | EN | |
| Artemisia insipida | CR | |
| Artemisia molinieri | VU | |
| Arthroleptella rugosa | CR | |
| Arthroleptella subvoce | EN | |
| Arthroleptis fichika | Hidden Squeaker Frog | EN |
| Arthroleptis francei | EN | |
| Arthroleptis kidogo | Tiny Squeaker Frog | CR |
| Arthroleptis troglodytes | Cave Squeaker | CR |
| Arthrophyllum proliferum | VU | |
| Artibeus incomitatus | Solitary Fruit-eating Bat | CR |
| Artocarpus nobilis | VU | |
| Artocarpus rubrovenus | VU | |
| Artocarpus treculianus | VU | |
| Arubolana imula | VU | |
| Arum purpureospathum | VU | |
| Arytera nekorensis | VU | |
| Asarum crispulatum | VU | |
| Aschisma kansanum | VU | |
| Asiagomphus yayeyamensis | EN | |
| Asparagus arborescens | VU | |
| Asparagus fallax | EN | |
| Asparagus nesiotes | EN | |
| Asparagus plocamoides | VU | |
| Asparagus usambarensis | EN |