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. Osprey pairs usually form at the nest site where females are fed almost exclusively by their mates prior to egg laying behavior 1.
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. This is their range map courtesy of Nature Serve.
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10,000 Birds
JULY 23, 2014
In the mid-1970s, a local breeder was burglarized and a few of his birds escaped, after which the breeder released his remaining stock of about 50 birds 1. Like most dove species, Eurasian Collared-Doves are prolific breeders. Since its introduction, this dove has spread quickly across the North American continent.
10,000 Birds
SEPTEMBER 9, 2015
The nickel was placed in the nest for the photo to show me the size of the egg for identification purposes, then removed. The Mourning Dove is a prolific breeder. She found the nest under the windshield wiper of her vehicle that was parked in her garage.
10,000 Birds
MARCH 11, 2024
This laughingthrush is a cooperative breeder – nestlings are fed by all members of a group, often 6-12 (not just 2 as in Wham!): “A female may share a nest with another, and 3 or more adults may take turns incubating the eggs and feeding the chicks.” ” ( source ).
10,000 Birds
APRIL 5, 2011
Given the impressively brief incubation time of the little birds, there’s a good chance that these Gnatcatchers will be working on brood #2 by the time the last boreal breeders even finish passing through. This seems to be a pretty accurate time table if the truckloads of Gnatcatchers that inundate us in late May are any indication.
10,000 Birds
AUGUST 28, 2014
Among birds the Egyptian Vulture uses rocks to crack Ostrich eggs, the New Caledonian Crow and Woodpecker Finch (one of several Darwin Finches of the Galapagos Islands), uses sticks to extract grubs from inside a branch. This is similar to the fact that all birds, even first time breeders within a species build identical nests.
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