A group of large scavenging birds in Eurasia and Africa within the family Accipitridae, including 6 genera and 15 species. New World condors such as the great condor and California condor are similar in morphology and lifestyle to these birds, but are more distantly related taxonomically and are classified as part of the family Condoridae. They weigh 1.5-7 kg, have a wingspan of 1.5-2.7 m, and have long necks. Many species lack feathers on their heads and necks, leaving the skin exposed. They use rising air currents to soar for long periods of time, and when they find the carcass of a large animal, they descend to the ground to eat. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
タカ目タカ科のうち,ユーラシアとアフリカに産する腐肉食の大型の鳥のグループで,6属15種を含む。オオコンドル,カリフォルニアコンドルなど新世界産のコンドル類は,形態も生活様式もこの仲間に似ているが,分類学的には縁が遠く,コンドル科に分類されている。体重1.5~7kg,翼開張が1.5~2.7mもあり,くびが長い。多くの種で頭とくびの羽毛がなく,皮膚が裸出している。上昇気流を利用して長時間帆翔(はんしよう)し,大型獣の死体を見つけると地上に降りて食べる。
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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