bobolink

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bobolink

(bŏb`əlĭngk'), common name in the N United States and Canada for an American songbird, Dolichonyx oryzivorus, related to the blackbird and the oriole, belonging to the family Icteridae. In spring the plumage of the male is black except for the white shoulders and lower back and the buff nape. After the breeding season the male assumes yellowish, brown-streaked plumage like that of the female, and his former voluble singing is reduced to a single call note. Bobolinks winter in South America; in Jamaica they are called butter birds. In the north they are insectivorous, but they may feed on rice crops during migration in the south. They have been known to gorge themselves in the eastern wild rice marshes and in cultivated fields in South Carolina and Georgia, becoming so fat that they used to be hunted as game birds. Because of these feeding habits they did serious damage to crops as they migrated, and they were called rice birds or reed birds. Bobolinks are now a protected species and are no longer hunted. Cup-shaped nests are built by the female in grassy fields. Polygamy occurs, but monogamy is more common. Bobolinks are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Aves, order Passeriformes, family Icteridae.
References in periodicals archive ?
What might make sense, just because Hubbardston is a community where people appreciate wildlife, is to invite some nature group to do a survey of the bobolinks.
We used 101 survey locations as replicates to identify woody habitat features used by Grasshopper, Henslow's, and Savannah sparrows, Eastern Meadowlarks, Bobolinks, and Dickcissels as cues in selecting suitable habitat for breeding locations.
She said there is a healthy population of bobolinks at the conservation area even with the current haying.
the observations described here of Abert's Towhees, and the recent report of aggression toward ligatured nestlings by Bobolinks (Little et al.
Male and female Bobolinks are dimorphic, but cannot be assigned to gender without genetic testing as nestlings.
Last year bobolinks were sighted flying over the lower hayfield.
We report on the response of adult Bobolinks to placement of neck ligatures on nestlings.
First mowings of the best hay of the year are meanwhile disrupting nesting attempts of many grassland songbirds, from meadowlarks to bobolinks.
For example, in Oregon, drought lowered annual reproductive success for Bobolinks (Wittenberger 1982).
The Mount Jefferson property includes two large fields that were alive with bobolinks, butterflies and swallows Thursday, but most of the property is forested.
The upcoming grasslands are expected to become a major habitat for meadowlarks and bobolinks, said Richard K.