| Common name | Scientific name (taxonomy link) | Japanese name (jeKai link) | Romanization | Comments |
| Accipitridae (family) | 鷲鷹科（わしたかか） | washi taka ka | ||
| vulture | Cathartidae (New World) or Accipitridae (Old World) (families) | ハゲワシ【禿鷲】 | hage washi | |
| amaryllis | Amaryllidaceae (family) | 彼岸花科（ひがんばなか） | higan-bana ka | |
| Antilopinae (subfamily) | アンテロープ亜科（あんてろーぷあか） | anteroupu aka | sublisting | |
| Aphyllophorales (order) | 襞無し茸目（ヒダナシタケもく） | hida-nashi take moku | ||
| Arthropoda (phylum) | sublisting - trilobytes, spiders, insects, lobsters | |||
| Artiodactyla (order) | 偶蹄目（ぐうていもく） | guutei moku | ||
| Asparagales (order) | Unknown | |||
| animal | Animalia (kingdom) | 動物界（どうぶつかい） | doubutsu kai | |
| archaebacteria | Archaea (domain) | 古細菌（こさいきん） | kosaikin | |
| birds | Aves (class) | 鳥綱（ちょうこう） | chou kou |
This entry was created by Benjamin Barrett.
Created 2001-03-23 by Benjamin Barrett.