noun
aye-aye
A nocturnal lemur native to Madagascar, known for its long middle finger. The Japanese name literally means 'finger monkey'.
See also: アイアイ
ユビザルはマダガスカルに生息する珍しいサルの仲間です。
The aye-aye is a rare type of lemur that lives in Madagascar.
アイアイ is an alternative name for the same animal, derived from the English 'aye-aye'. ユビザル is the Japanese-coined name.
Compound of 指 (yubi, 'finger') and 猿 (saru, 'monkey'), referring to the animal's elongated middle finger. The reading ざる is a rendaku form of さる.