Black Headed Gull (Chroicocephalus ridibundus) parent with chicks, family Sulidae, order Charadriiformes, England
photograph by David Wheatley
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[1825/10977] Brown-hooded gull - Chroicocephalus maculipennis
Order: Charadriiformes
Suborder: Lari
Family: Laridae (gulls, terns and skimmers)
Photo credit: Daniela Diaz via Macaulay Library
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Saunders’s Gull
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A juvenile black-headed gull (Chroicocephalus ridibundus) in the United Kingdom
by Charles Sharp
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Black-headed gull (Chroicocephalus ridibundus) photo I took 17/12/2023, West Yorkshire, UK
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a slender-billed gull (chroicocephalus genei) in the ebro delta, spain
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Gull on a Post
A black-headed gull sitting on a post at the corner of one of the tern nesting platforms, out in one of the lakes, at RSPB Fen Drayton Lakes.
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学橋のユリカモメ。足輪がついている個体もいる(1月31日)
学橋から見た、お堀に浮かぶユリカモメ(1月31日)
Mewa śmieszka, śmieszka (Chroicocephalus ridibundus)
The black-headed gull (Chroicocephalus ridibundus)
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black-headed gull (Chroicocephalus ridibundus) by sbbon26
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Juvenile Silver Gull. Looks so different, I thought it was a separate species. Will gain the iconic red-footed look in adulthood.
12/09/23 - Chroicocephalus novaehollandiae
QLD:CQC - Woppa (Great Keppel Island)
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black-headed gull - august 2023, lednice (czech republic)
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Slender-billed Gull (Chroicocephalus genei)
© Pierandrea Brichetti
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[1581/10977] Bonaparte's gull - Chroicocephalus philadelphia
Order: Charadriiformes
Suborder: Lari
Family: Laridae (gulls, terns and skimmers)
Photo credit: Matthew Dolkart via Macaulay Library
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Examples of same-sex pairs successfully raising young have been documented in at least 20 species, and in a few cases, homosexual couples actually appear to have an advantage over heterosexual ones.¹³
13. In some bird species in which same-sex pairs are unable to obtain fertile eggs on their own (or in which homosexual parenting has yet to be observed in the wild), parenting skills have been demonstrated by supplying homosexual pairs with "foster" eggs or young in captivity. Same-sex pairs of Flamingos, White Storks, Black-headed Gulls, Steller's Sea Eagles, Barn Owls, and Gentoo Penguins, for example, have all successfully hatched such eggs and/or raised foster chicks.
"Biological Exuberance: Animal Homosexuality and Natural Diversity" - Bruce Bagemihl
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Black-headed gull (Chroicocephalus ridibundus) photos I took 20/11/2023, Walton Colliery, West Yorkshire, UK
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