Cassin's Kingbird
Tyrannus vociferans
分类位置
.jpg/500px-Eastern_kingbird_(21559).jpg)
.jpg/500px-Grey_Kingbird_(Tyrannus_dominicensis).jpg)
.jpg/500px-Tyrannus_caudifasciatus_-Camaguey_Province,_Cuba-8_(2).jpg)
形态与习性
Cassin's kingbird (Tyrannus vociferans) is a large tyrant flycatcher native to western North America. The name of this bird commemorates the American ornithologist John Cassin.
体重
4 g
Tyrannus vociferans
Cassin's kingbird (Tyrannus vociferans) is a large tyrant flycatcher native to western North America. The name of this bird commemorates the American ornithologist John Cassin.
.jpg/500px-Acadian_Flycatcher_Fall_Out_2_Sabine_Woods_TX_2018-04-09_14-00-14_(26637940077).jpg)
,_Anavilhanas_islands,_Novo_Airão,_Amazonas,_Brazil.jpg/500px-Knipolegus_poecilocercus_-_Amazonian_Black-Tyrant_(female),_Anavilhanas_islands,_Novo_Airão,_Amazonas,_Brazil.jpg)
