ARKive's most wanted species listed alphabetically by scientific name
| Scientific name | Common name | Status |
|---|---|---|
| Adelophryne maranguapensis | EN | |
| Adelopoma stolli | EN | |
| Adelphicos daryi | EN | |
| Adenanthera bicolor | VU | |
| Adenocarpus ombriosus | EN | |
| Adenomus kandianus | EX | |
| Adenopodia rotundifolia | VU | |
| Adenostemma harlingii | VU | |
| Adiantum fengianum | EN | |
| Adiantum lianxianense | EX | |
| Adiantum sinicum | EN | |
| Adinandra corneriana | VU | |
| Adinandra griffithii | EN | |
| Adolfus alleni | Alpine Meadow Lizard | VU |
| Adrianichthys kruyti | Duck-billed Buntingi | CR |
| Advena campbelli | EX | |
| Advena charon | EN | |
| Aechmea kentii | EN | |
| Aechmea lugoi | VU | |
| Aechmea manzanaresiana | EN | |
| Aechmea wuelfinghoffii | VU | |
| Aegialia concinna | Ciervo Scarab Beetle | VU |
| Aegialia crescenta | Cresent Dune Scarab Beetle | VU |
| Aegiphila fasciculata | VU | |
| Aegiphila lopez-palacii | EN | |
| Aegiphila schimpffii | EN | |
| Aeonium balsamiferum | VU | |
| Aeonium gomerense | EN | |
| Aeonium saundersii | VU | |
| Aepeomys reigi | Reig's Aepeomys | VU |
| Aequatorium lepidotum | EN | |
| Aequatorium limonense | VU | |
| Aequatorium rimachianum | VU | |
| Aerides lawrenciae | EN | |
| Aerides leeanum | VU | |
| Aerisilvaea sylvestris | EN | |
| Aeshna yemenensis | VU | |
| Aetheolaena decipiens | EN | |
| Aetheolaena hypoleuca | CR | |
| Aetheolaena ledifolia | CR | |
| Aetheolaena mochensis | EN | |
| Aetheolaena pichinchensis | CR | |
| Aetheolaena rosana | VU | |
| Aetheolaena subinvolucrata | EN | |
| Aetobatus flagellum | Longheaded Eagle Ray | EN |
| Aetomylaeus maculatus | Mottled eagle ray | EN |
| Aetomylaeus nichofii | Banded Eagle Ray | VU |
| Aetomylaeus vespertilio | reticulate eagle ray | EN |
| Aetoplatea zonura | Zonetail butterfly ray | VU |
| Africallagma cuneistigma | VU |