Revisors. Shiny Cowbird (Molothrus bonariensis), version 1.0.In Birds of the World (S. M. Billerman, Editor). Molothrus bonariensis . A common bird throughout much of South America, the Shiny Cowbird only recently spread through the Caribbean and into the United States. Breeding in South America, North America: se USA though c SA; can be seen in 42 countries. Peter E. Lowther. Originally native to South America, this little blackbird spread gradually through the West Indies in recent decades, island-hopping north through the Lesser Antilles and then west toward Cuba. Female Brown-headed shows a more noticeably pale, whitish throat that is framed by dark malar stripes, and its face is paler, which makes its eye appear more prominent.
Facial Pattern: As a rule of thumb, female Shiny Cowbird shows a more pronounced, narrow eyebrow that curves over the eye. The Shiny Cowbird (Molothrus bonariensis) is a passerine bird in the New World family Icteridae.It breeds in most of South America apart from the most dense jungles, mountains and deserts (although spreading into these habitats as they are modified by humans), the coldest southernmost regions (e.g. Recommended Citation Lowther, P. E. and W. Post (2020). Authors. Shiny Cowbird until the final, 100th issue, when Koenig (2015) reported it from Windsor (Cockpit Country), Trelawny Parish. Lowther, P. E. (2011). A nest parasite like other cowbirds, its spread has imperiled a number of endangered bird species in the Caribbean and … Tierra del Fuego), and on Trinidad and Tobago. Shiny Cowbird (male) - 2 June 2013 - Adams County, Pennsylvania (photo by Linette Mansberger) Linette Mansberger identified and photographed this bird in her yard, and then submitted the record to eBird. Partners in Flight estimates a global breeding population of 200 million, with almost all birds living in South America, though Shiny Cowbird have been recorded in Southeastern states and along the East Coast and Gulf of Mexico in the U.S. Shiny Cowbird (Molothrus bonariensis) bird call sounds on dibird.com. Shiny Cowbird. It is the first Shiny Cowbird to be documented in Pennsylvania. Shiny Cowbird's range is expanding. It arrived in Florida in 1985, and has become locally common there, with some seen elsewhere in the Southeast. Recommended Citation. Peter E. Lowther.
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