Breeding California Eggs Research 
10,000 Birds
AUGUST 31, 2011
The California Quail ( Callipepla californica ) is the California state bird, inhabiting scrub, broken chaparral and woodland edges primarily in California, Oregon, Washington and Baja California. All New World Quail are highly gregarious, typically found in coveys or flocks except during breeding season.
10,000 Birds
FEBRUARY 6, 2024
They breed in colonies scattered around the Antarctic continent (the number ranges from 60 to 70, and as Kooyman points out, the colonies can drastically change in size from year to year) on the ice (and one of the things I learned from this book is how many different kinds of ice there is in the Antarctic) in the darkest months of winter.
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10,000 Birds
APRIL 2, 2024
Osborn, a passionate field biologist who participates to the core of her being three re-introduction projects aimed at saving three very different, endangered species: Peregrine Falcon, Hawaiian Crow (‘Alala)*, and California Condor. Well-researched and footnoted, these sections never feel disconnected from the more personal sections.
10,000 Birds
OCTOBER 21, 2015
Heermann’s Gulls form large breeding colonies on arid islands in the Gulf of California, Mexico, from March through July. The largest colony exists on Isla Raza, where an estimated 90–95% of the total world population breeds 1. This photo by Basar from Wikipedia Commons shows the adult in breeding plumage.
10,000 Birds
FEBRUARY 8, 2017
Breeding bird surveys appears to show the resplendent Allen’s Hummingbird (like Corey’s capture, above) in decline—but not in Southern California, where examination of eBird data reveals that members of a residential population appear to be faring much better than their migrating brethren. sports championships ).
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. 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.
10,000 Birds
MAY 30, 2019
such as California Condors and Passenger Pigeons. His parents moved where opportunity beckoned, taking him from San Angelo, Texas, to Columbus, New Mexico, then to Dallas, and finally on to California. Again, Cade led with solid evidence acquired through his own research. It was there where the first glimpse of his future began.
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