ARKive's most wanted species listed alphabetically by scientific name
| Scientific name | Common name | Status |
|---|---|---|
| Alburnus schischkovi | Resowska shemaja | EN |
| Alburnus vistonicus | Vistonis Shemaja | CR |
| Alburnus volviticus | Yalartza | EN |
| Alchornea sodiroi | VU | |
| Alcolapia alcalicus | EN | |
| Alectroenas nitidissima | Mauritius Blue-Pigeon | EX |
| Alectroenas rodericana | Rodrigues Pigeon | EX |
| Alectryon ramiflorus | EN | |
| Alectryon repandodentatus | VU | |
| Alestes bouboni | EN | |
| Alestopetersius nigropterus | EN | |
| Alestopetersius smykalai | VU | |
| Aleuritopteris squamosa | EN | |
| Alexteroon jynx | CR | |
| Alfaroa hondurensis | VU | |
| Alfaroa mexicana | VU | |
| Alisma wahlenbergii | VU | |
| Allacanthos pittieri | VU | |
| Allactaga tetradactyla | Four-toed Jerboa | VU |
| Allanaspides helonomus | Tasmanian Anaspid Crustacean | VU |
| Allanaspides hickmani | Tasmanian Anaspid Crustacean | VU |
| Alleizettella rubra | VU | |
| Allenanthus hondurensis | VU | |
| Allexis obanensis | VU | |
| Allium corsicum | CR | |
| Allium exaltatum | VU | |
| Allium pardoi | VU | |
| Allium pervestitum | EN | |
| Allium pyrenaicum | VU | |
| Allium rouyi | CR | |
| Allium schmitzii | VU | |
| Allobates chalcopis | Martinique Volcano Frog | VU |
| Allobates humilis | VU | |
| Allobates kingsburyi | EN | |
| Allobates mandelorum | EN | |
| Allobates ranoides | EN | |
| Allobates subfolionidificans | VU | |
| Allobates wayuu | VU | |
| Allochromis welcommei | VU | |
| Allocrangonyx hubrichti | Central Missouri Cave Amphipod | VU |
| Allodiaptomus satanas | VU | |
| Allolestes maclachlani | EN | |
| Allomarkgrafia ecuatoriana | VU | |
| Alloneuron dorrii | VU | |
| Alloneuron ecuadorense | VU | |
| Alloperla roberti | Robert's Stonefly | EX |
| Allophylus agbala | VU | |
| Allophylus dodsonii | EN | |
| Allophylus hispidus | CR | |
| Allophylus pachyphyllus | VU |