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The shiny cowbird's diet consists mainly of insects, other arthropods [4] and seeds, and they have been recorded foraging for grains in cattle troughs. [ 2 ] Like most other cowbirds , it is an obligate brood parasite , laying its eggs in the nests of many other bird species such as the rufous-collared sparrow . [ 5 ]
The female cowbird may continue to observe this nest after laying eggs. Some bird species have evolved the ability to detect such parasitic eggs, and may reject them by pushing them out of their nests, but the female cowbird has been observed to attack and destroy the remaining eggs of such birds as a consequence, dissuading further removals. [8]
The brown-headed cowbird (Molothrus ater) is a small, obligate brood parasitic icterid native to temperate and subtropical North America. It is a permanent resident in the southern parts of its range; northern birds migrate to the southern United States and Mexico in winter, returning to their summer habitat around March or April.
Shiny cowbird; This page was last edited on 18 March 2013, at 04:52 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
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Screaming cowbird: Molothrus rufoaxillaris Cassin, 1866: 71 Giant cowbird: Molothrus oryzivorus (Gmelin, JF, 1788) 72 Shiny cowbird: Molothrus bonariensis (Gmelin, JF, 1789) 73 Bronzed cowbird: Molothrus aeneus (Wagler, 1829) 74 Bronze-brown cowbird: Molothrus armenti Cabanis, 1851: 75 Brown-headed cowbird: Molothrus ater (Boddaert, 1783) 76 ...
The cassowary looks like a relic from another geologic era – it’s as tall as a person, has glossy black feathers and piercing eyes, walks on two feet, can weigh up to 140 pounds, and has a ...