noun
Japanese quail
A species of quail native to East Asia, often kept as a pet or used for eggs and meat. Scientific name: Coturnix japonica.
日本鶉は小さくて可愛い鳥です。
The Japanese quail is a small and cute bird.
にほんうずらの卵は食用として人気がある。
Japanese quail eggs are popular as food.
Refers to quail in general, while 日本鶉 specifies the Japanese quail species.
Compound of 日本 (Nihon, 'Japan') and 鶉 (uzura, 'quail'). The exact historical derivation is uncertain, but the name straightforwardly identifies the bird as a quail native to Japan.