noun
pika
A small rabbit-like mammal of the family Ochotonidae, known for its high-pitched calls. In Japanese, the name literally means 'crying rabbit'.
ナキウサギは高山の岩場に生息している。
Pikas inhabit rocky areas in high mountains.
北海道でナキウサギの鳴き声を聞いた。
I heard the call of a pika in Hokkaido.
While ウサギ refers to rabbits in general, ナキウサギ specifically denotes the pika, a different animal in the same order Lagomorpha.
Compound of 鳴き (naki, 'crying') + ウサギ (usagi, 'rabbit'), referring to the animal's distinctive vocalizations. The kanji forms 啼兎 and 鳴兎 are direct translations of this meaning.