English Dictionary

orientation cage

名詞

(ornithology) A cage in which a bird experiencing migratory restlessness is kept in order to observe the direction of its migratory impulse.

日本語の意味

渡り鳥の移動本能、すなわち渡りの方向性を観察するために、渡りの衝動を示す鳥を収容する鳥かご。

During the autumn study, the ornithologist observed a restless robin pacing in the orientation cage, noting the direction it preferred.

秋の調査中、鳥類学者は渡り衝動を示すコマドリが渡り方向観察用の檻の中をそわそわと歩き回るのを観察した。

意味（1）

(ornithology) A cage in which a bird experiencing migratory restlessness is kept in order to observe the direction of its migratory impulse.

orientation cages （ plural ）