10,000 Birds
DECEMBER 14, 2021
As of mid-November 2021, the Collaborative had submitted more than 4,200 checklists (up from 1,700 in 2018) and has observed 691 species in the United States (up from 618). Thus, there are now seven states with 200+ observed species. The state with the largest increase was Arizona , with 139 species added.
10,000 Birds
OCTOBER 11, 2019
For many grassland species, our vast expanses of tilled and plowed fields, orchards and vineyards, pastures and rangeland offer an abundance of convenient food and shelter – and some bolder birds even wander indoors to find these things in our barns and stables. For most of history, beer has thrived in agrarian settings, too.
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10,000 Birds
DECEMBER 23, 2019
During the decade, I submitted 1,219 checklists and observed 555 bird species, all in the U.S. After an initial period when all species are new, the lifers begin to follow a pattern. Thus, I can pinpoint my first pelagic trip, as it added 13 new species. and Canada. I’ve submitted 448 such checklists.
10,000 Birds
APRIL 5, 2019
Unlike several other gamebird species commonly raised and released for hunting in North America, the Northern Bobwhite ( Collinus virginianus ) is, of course, a native of the continent, though its natural range lies mostly in the southeastern quarter of the continent, and south into Mexico and the Caribbean. What’s in a name?
10,000 Birds
JUNE 17, 2015
The Refuge is now home to nearly 200 species of birds, over 50 species of mammals, 25 species of reptiles and amphibians, and a wide variety of insects, fish and plants. The Louisiana black bear’s threatened status warrants protection under sections 7 and 9 of the Endangered Species Act.
10,000 Birds
DECEMBER 4, 2012
The following section on Habitats serves to provide the larger picture, frameworks in which to root the hundreds of individual species to follow. Text is necessarily brief, focusing in on what you need to know in order to separate out one species from another. A different colored tab and page edge denotes each chapter.
10,000 Birds
NOVEMBER 13, 2018
As of mid-October 2018, the Collaborative had submitted more than 1,700 checklists and observed 618 species in the United States. The heat map is revealing: Unsurprisingly for a site founded and run by two New Yorkers (one of whom literally wrote the book on birding New York), the Empire State boasts the highest number of species (316).
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