…The members of the winter flock are fixed, and each flock has a clearly defined home range. In forests where other crows are present, they form mixed flocks and move through the forest, feeding mainly on the ground, eating nuts as well as insects. They are found throughout Eurasia, except in the tundra and desert, and throughout North Africa. … *Some of the terminology that refers to "colored birds" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…冬の群れは構成員が一定していて,それぞれはっきりした行動圏をもっている。他のカラ類がいる林では混群をつくり,林の中を移動しながら,おもに地上で採食し,昆虫類のほかに木の実も食べる。ツンドラや砂漠を除いたユーラシア大陸の全土と北アフリカに分布する。… ※「カラ類」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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