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 ?
Where the bobolinks roam: the plight of North America's grassland birds.
Bobolinks had the lowest overall predation rate (22%) and among the passerines, American robins had the highest (50%).
Baird's Sparrows (Ammodramus bairdii), Grasshopper Sparrows (Ammodramus savannarum), Le Conte's Sparrows (Ammodramus leconteii), Sprague's Pipits (Anthus spragueii), Western Meadowlarks (Sturnella neglecta), and Bobolinks (Dolichonyx oryzivorus) were absent from unburned areas.
The peak working hour for ornithologists, dawn is when the prairie scientist tracks the sights and sounds of bobolinks, meadowlarks and scores of other birds.
Reproductive correlates of breeding-site fidelity in bobolinks (Dolichonyx oryzivorus).
In Purple Martins, Progne subis, and Bobolinks, Dolichonyx oryzivorus, the frequency at which males lose paternity in their own nests has been shown to decline with age (Morton et al.
The report also recommends that some grassland be left fallow to provide habitat for ground-nesting birds such as bobolinks.
Some members erect nest boxes for American kestrels, which has helped some farmers reduce rodents; others simply leave rocky areas uncut, attracting songbirds like bobolinks. More than 500 members, owning 500,000 acres of property, have joined the effort.
The plover is heard whistling high in the air over the dry pastures, the finches flit from tree to tree, the bobolinks and flickers fly in flocks, and the goldfinch rides on the earliest blast, like a winged hyla peeping amid the rustle of the leaves.
Dazzled by this heroic apparition, we may not recognize the woman whose favorite word for herself and her personae was "little,' who liked to address men she admired as "Master,' whose longest poems didn't fill a page, who also wrote about daisies and bumblebees and bobolinks and similar small-scale phenomena, who claimed she was Nobody.
These high-quality areas create a grassland bird community that's home to meadowlarks, dickcissels, grasshopper sparrows, woodcocks and bobolinks, as well as state-endangered northern harriers, short-eared owls and Henslow's sparrows.
American goldfinches, red-winged blackbirds, common yellowthroats (Geothlypis trichas), and bobolinks (Dolichonyx oryzivorus) were more abundant (all P < 0.05) in NWSG than in airfield grasslands (Table 3).