noun
Ezo pika; northern pika (Ochotona hyperborea yesoensis)
A subspecies of northern pika found in Hokkaido. The name is a specific zoological term.
エゾナキウサギは北海道の高山に生息している。
The Ezo pika inhabits the high mountains of Hokkaido.
エゾナキウサギの鳴き声は「キチキチ」と聞こえる。
The call of the Ezo pika sounds like 'kichi-kichi'.
Refers to pikas in general (family Ochotonidae). エゾナキウサギ is a specific subspecies.
From 蝦夷 (Ezo, old name for Hokkaido) + 鳴き (naki, 'cry') + 兎 (usagi, 'rabbit'), literally 'Ezo crying rabbit', referring to its distinctive call.