Breeders Breeding Reference 
10,000 Birds
OCTOBER 26, 2011
They are a colonial breeder, nesting only in western Alaska, on a narrow band of coastal sedge meadows 2. They leave their breeding grounds in early summer to move down the coast, some travelling as far south as the Gulf of California. Of course, all birds in these photos are in non-breeding plumage.
10,000 Birds
APRIL 25, 2012
Most of the Osprey breeding in North America are migratory, only Florida, the Caribbean and Baja California host non-migratory breeders 1. In migratory populations males usually arrive to breeding grounds a few days before the females and look for nest sites. This pair copulated several times while I was observing.
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10,000 Birds
MARCH 15, 2011
Over the next few days, the Alpine Accentors ( Prunella collaris ) will arrive on their high-Alpine breeding grounds – it is time to start singing, despite that the treeless Alpine landscape is still under metres of snow. all Alpine Accetor photos digiscoped (c) Dale Forbes. all Alpine Accetor photos digiscoped (c) Dale Forbes.
10,000 Birds
FEBRUARY 29, 2012
Most Acorn Woodpeckers are cooperative breeders and live in family groups of up to a dozen or more individuals. Within a group, 1–7 male co-breeders compete for matings with 1–3 joint-nesting females who lay their eggs in the same nest cavity. References: 1 Birds of North America Online a.
10,000 Birds
MARCH 13, 2013
Probably one of the most interesting things about these little birds is that they are cooperative breeders. That is to say they have what are known as supernumeraries, individuals above and beyond the primary breeding pair that help with nest building and feeding young 1. References: 1 Birds of North America Online.
10,000 Birds
SEPTEMBER 9, 2015
The Mourning Dove is a prolific breeder. Even though the female lays only two eggs per nest attempt, they enjoy a protracted breeding season in which multiple nesting attempts can occur every 30 days, and in Southern locations, nearly year round. References: 1 Birds of North America Online , 2 Droege, S.
10,000 Birds
MARCH 31, 2022
The Blue-crowned Laughingthrush (Wuyuan) is listed as Critically Endangered, as there are only about 250-280 birds spending the breeding season in Northeastern Jiangxi (and according to the HBW, it is not clear where they spend the non-breeding period).
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