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.

United States 212

United States West Virginia Puerto Rico Minnesota 212

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.

Puerto Rico 153

Puerto Rico Virgin Islands Michigan Washington 153

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.

Fish 145

Fish Wildlife Hunting Game 145

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).

Rhode Island 114

Rhode Island United States West Virginia Puerto Rico 114

10,000 Birds

MARCH 8, 2012

Before the counts, I was hoping to break 100 species, but after 21 parks reported data back to me we’re up to 183 species! found 36 species, including Killdeer (in December!), I underestimated how much the wide geographic distribution of Civil War-related parks would affect the count totals.

Birds 175

Birds Mississippi Vermont Texas 175