10,000 Birds
AUGUST 1, 2023
2012), and (4) Waterfowl of Eastern North America, 2nd ed. The material on Boreal Owl is a wonderfully condensed account about the species’ sexual dimorphism and its relationship to breeding plus the link between the species’ cyclical abundance and the red-backed vole. Bohemian Waxwing, p. 206, photo by Brian E.
10,000 Birds
MAY 9, 2012
Here in Northern California I am fortunate to have at least three of the western hummingbirds of North America visiting my yard. She is the latest of our local breeders, not nesting usually until mid-May. She will begin breeding in April. The male is the only hummingbird in North America with a rufous back.
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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. Since its introduction, this dove has spread quickly across the North American continent. Like most dove species, Eurasian Collared-Doves are prolific breeders.
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.
10,000 Birds
JULY 5, 2013
Although both species are widespread in North America as breeders in shrubby edge habitats, that is not the case in the southern half of the sunshine state (the more northerly race of Prairie Warbler is an uncommon breeder in the panhandle). Everyone, I would like you to meet the ‘Florida’ Prairie Warbler ( S.
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
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.
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