嘴结实，但狭窄，稍有缺刻，末端钩曲，嘴基有细须。体长10∼18公分(4∼7吋)，体色不鲜艳，素灰色或淡绿色，有白或黄的色调（雌雄相似）。
n. vireo
misc. whip-tom-kelly
绿鹃科 [鸟] Vireonidae
红眼绿鹃 Vireo olivaceus
歌绿鹃 warbling vireo
凤尾绿咬鹃 Resplendent Quetzal ; Pharomachrus mocinno ; Quetzal ; Trogonidae Pharomachrus mocinno
绿嘴地鹃 Green-billed Malkoha ; Phaenicophaeus tristis ; Green-billed Malkoha Phaenicophaeus tristis
黑髭绿鹃 black-whiskered vireo
灰蓝绿鹃 slaty vireo
波多黎各绿鹃 puerto rican vireo
绿咬鹃 quetzal ; Resplendent Quetzal ; Pharomachrus mocinno
罗格说，如果从背后的角度多看一眼，就会认出这个有着黄色咽喉的绿鹃。
I might have identified the bird as a yellow-throated vireo if I'd had more than a dorsal view, "explained Roger."
这只黑头绿鹃妈妈已经喂了一只昆虫给自己一只未离巢的雏鸟，现在她又多了两张嗷嗷待哺的小鸟。
She's given an insect to one of her nestlings, but now this black-capped vireo mother has two more hungry mouths to feed.
在这里，根除燕八哥的活动已经进行了一段时间，目的是研究它们对黑头绿鹃和金颊莺之类濒危鸟类的寄生影响。
The eradication of cowbirds has been going on for a while here in an effort to study the effect of their parasitism on endangered birds such as the black-capped vireo and the golden-cheeked warbler.
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