Breeding Eggs Experiments United States 
10,000 Birds
APRIL 2, 2013
A breeding bird atlas is a special kind of book. Corey did just this in this 2011 posting about Vesper Sparrow Pooecetes gramineus in New York State. I was also curious, as a birder of the northeast United States, to see what kind of avian changes have been going on in Pennsylvania.
10,000 Birds
MAY 30, 2017
Atlantic Puffins are easier to see, and see well, in Maine than anywhere else in the United States. Eastern Egg Rock is a tiny, rocky island well within site of the Maine-land. They were reintroduced to Eastern Egg Rock starting in 1973 , with over a thousand young transported from Canada over several years.
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10,000 Birds
MAY 30, 2019
That summer of 1938, when he was ten years old, Cade read of two brothers, Frank and John Craighead, who wrote of their experiences with falcons in National Geographic. ” By 1970 the man who championed Peregrines had convinced Cornell University to build a Hawk Barn for captive breeding of these birds. And grow they did.
10,000 Birds
APRIL 2, 2019
Peterson Reference Guide to Sparrows of North America covers 61 species of the New World sparrow family Passerellidae that breed in Canada, the United States, and northern Mexico. And, the 1996 volume includes information on nests and eggs, a topic not covered by the Peterson guide. Range and Geographic Variation.
10,000 Birds
JULY 4, 2023
I’m sure many of you have had similar experiences. I’m wondering as I write if you are shaking your head, uneasy that all these FACTS will interfere with your love of observing owls, an experience that easily borders on the mystical for some of us. But what do we know beyond these commonly seen and heard behaviors?
10,000 Birds
NOVEMBER 5, 2013
Experiments in the field (the famed Asa Wright Nature Center veranda) involving Bananaquits and bananas came up with numbers ranging from 7 to 16, but a tanager always came along to interfere with Bananaquits’ noisy appreciation of their namesake fruit. Even during the breeding season the birds appear to be quite unwary of humans.
10,000 Birds
JUNE 26, 2018
The Zoo episode focuses on two Pink Pigeon couples: The Stud and Serendipity, a male and female that the zoo people hope will mate and produce a viable egg, and Thelma and Louise, a same-sex pair-bonded couple who the zoo people hope will incubate the egg and nurture the chick. On the WCS web page, Ms.
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