释义 顶喙状骨[dǐng huì zhuàng gǔ]1.acrocoracoid 随便看 reversing apparatus reversing bar reversing blade reversing call connector reversing carburet(t)er reversing chamber reversing chassis reversing clapper reversing clutch reversing cogging mill reversing colour sequence reversing commutator reversing ...
体形比猎隼、游隼等都小,为小型猛禽。喙较鹰科鸟类要短,先端两侧有齿突,基部不被蜡膜或须状羽;鼻孔圆形,自鼻孔向内可见一柱状骨棍;翅长而狭尖,扇翅节奏快;尾较细长。翅狭长而尖。 雄鸟上体红砖色,背及翅上具黑色三角形斑;头顶、后颈、颈侧蓝灰色。飞羽近黑色,羽端灰白;尾羽蓝灰色,具宽阔的黑色次端斑,...