10,000 Birds
AUGUST 13, 2014
More than 99% of the population of Tricolored Blackbirds ( Agelaius tricolor ) live within the state of California and form the largest colonies of any North American passerine bird 1. The Results of the 2014 Tricolored Blackbird Statewide Survey confirm that this species is in rapid decline. Click on photos for full sized images.
10,000 Birds
JUNE 2, 2015
Third, observing and photographing breeding birds and their young have become acts of ethical confusion as birders, photographers, and organizational representatives debate the impact of our human presence on the nesting process. And of eggs and nests and birds on nests. Cedar Waxwings exchange berries, carry nesting material, eggs.
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10,000 Birds
OCTOBER 4, 2021
Breeding in Northern Japan and wintering in the Phillippines, some seem to take a migratory rest stop (and slight deviation) at the Shanghai coast. Hints of potential warming in the HBW species description: “Date of first egg-laying on Honshu now 7 days earlier than it was 25 years ago” There are also quite a few Cuckoos.
10,000 Birds
APRIL 14, 2018
Flock after flock of blackbirds, ducks, geese, raptors flapping their way north. The birds also need it because this is when they build nests and breed. If you already know the songs of American Robin and Eurasian Blackbird , then you already know what the national bird is doing. But that’s up in the temperate north.
10,000 Birds
JUNE 9, 2016
All of these are reasonably common breeding species, yet, while Great Crested Grebes and Mallards do nest at the dam, only Grey Herons are known to nest some 15 miles from here. The biggest surprise are two Whiskered Terns, common lowland breeding birds that require ponds to lay their eggs on floating leaves of waterlilies.
10,000 Birds
JULY 16, 2012
Some might contest this, saying that Dr. Seuss’s Horton Hatches An Egg precedes Eastman’s book by twenty years. But since Horton is an elephant, and since the creature that hatches from the egg is an elephant-bird, I’m going to wait till 10,000 Birds does a Hybrid Bird Week before discussing this representative of the Seussiverse.
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.
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