The meaning of BROWN-HEADED COWBIRD is a cowbird (Molothrus ater) widespread in the U.S. and southern Canada in which the male is black with a brown head and the female is gray. How to use brown-headed cowbird in a sentence.
DESCRIPTION: Brown-headed Cowbird is relatively small, with short and conical bill, rather long and pointed wings, and slightly rounded tail. Adult male is uniformly glossy greenish back, with brown head and neck. It has black eyes, legs and feet. The bill is dull grey. Adult female is br...
根据第一段第一句 "Brown-headed cowbirds are obligate brood parasites(寄生生物). That means they lay their eggs in the nests of other birds…chicks to somebody else." 可知,褐头燕八哥是寄生生物,所以推测出它要依附于其他鸟类。故答案选A。 (2) 词义猜测题。根据第一段倒数第二句 "Yellow warblers...
Presents information on a study which described the removal of nestlings at Black-capped Vireo and Golden-cheeked Warbler nests by female Brown-headed Cowbirds. Details on the fecal sac ingestion by female cowbirds; Methodology; Results and discussion.Stake...
Define brown-headed cowbirds. brown-headed cowbirds synonyms, brown-headed cowbirds pronunciation, brown-headed cowbirds translation, English dictionary definition of brown-headed cowbirds. n. Any of various blackbirds of the genus Molothrus, especially
Related to Brown-headed Cowbird: white-throated sparrowcowbird cowbird, New World bird of the blackbird and oriole (hangnest) family. The male eastern, or common, cowbird is glossy black, about 8 in. (20 cm) long, with a brown head and breast; the female is gray. Most cowbirds lay th...
Long-distance Commuting by Brown-headed Cowbirds in New Mexico. Provides information on a study which assessed the maximum commuting distance between the breeding and feeding sites of the Brown-headed Cowbirds in New Me... Curson,David,R.,... - 《Auk》 被引量: 75发表: 2000年 Host ...
Brown-headed cowbirds(Molothrus ater) might reduce populations of the songbird species they parasitize, includingendangered species. Data are therefore needed on the frequency with which cowbirds use different species of foster parents. Hahn et al. propose a clever new approach by which the identity...
Presents information on a study which examined the brood parasitism by Brown-headed Cowbirds on a prairie-nesting population of Red-winged Blackbirds from ... Clotfelter,Ethan,D.,... - 《Condor》 被引量: 187发表: 1999年 A comparative study of cowbird parasitism in yellow-headed blackbirds and...
To curry favor with in an obsequious manner; fawn on. [From the image of an obsequious person whose nose becomes soiled with excrement in kissing the buttocks of someone from whom favor is sought.] brown′nose′n. brown′nos′ern.