ARKive's most wanted species listed alphabetically by scientific name
| Scientific name | Common name | Status |
|---|---|---|
| Alternanthera areschougii | VU | |
| Alternanthera corymbiformis | VU | |
| Alternanthera flavicoma | VU | |
| Alternanthera galapagensis | VU | |
| Alternanthera grandis | VU | |
| Alternanthera helleri | VU | |
| Alternanthera nesiotes | EN | |
| Alternanthera snodgrassii | VU | |
| Alticola montosa | True’s Vole | VU |
| Alvaradoa jamaicensis | VU | |
| Alycaeus balingensis | CR | |
| Alyssum pyrenaicum | VU | |
| Alyxia menglungensis | EN | |
| Alyxia taiwanensis | EN | |
| Alzoniella asturica | EN | |
| Alzoniella cornucopia | VU | |
| Alzoniella edmundi | EN | |
| Alzoniella elliptica | VU | |
| Alzoniella fabrianensis | VU | |
| Alzoniella feneriensis | VU | |
| Alzoniella finalina | EN | |
| Alzoniella galaica | CR | |
| Alzoniella haicabia | VU | |
| Alzoniella iberopyrenaica | CR | |
| Alzoniella junqua | VU | |
| Alzoniella marianae | CR | |
| Alzoniella navarrensis | VU | |
| Alzoniella onatensis | CR | |
| Alzoniella perrisii | VU | |
| Alzoniella somiedoensis | VU | |
| Amaranthus brownii | Brown's Pigweed | CR |
| Amastra cornea | EX | |
| Amastra elongata | EX | |
| Amastra forbesi | EX | |
| Amastra pellucida | EX | |
| Amastra porcus | EX | |
| Amastra subrostrata | EX | |
| Amastra subsoror | EX | |
| Amastra tenuispira | EX | |
| Amastra umbilicata | EX | |
| Amauris comorana | Comoro Friar | EN |
| Amauris nossima | Madagascan Friar | VU |
| Amauris phoedon | Mauritian Friar | VU |
| Amaurornis magnirostris | Talaud Bush-hen | VU |
| Amaurospiza carrizalensis | Carrizal Seedeater | CR |
| Amazona martinicana | Martinique Parrot | EX |
| Amazona violacea | Guadeloupe Parrot | EX |
| Amblema neislerii | Fat Threeridge | CR |
| Amblyceps arunchalensis | EN | |
| Amblypharyngodon chulabhornae | VU |