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

MAY 20, 2023

Pelee National Park – Ohio Santa Ana National Wildlife Refuge – Texas These locations offer a variety of habitats including marshes, wetlands, forests, coastal areas, and deserts, attracting numerous bird species throughout the year. Please note that the availability of specific bird species may vary depending on the season.

United States 162

United States Michigan Texas Virginia 162

10,000 Birds

MAY 1, 2018

Moth plates from Peterson Field Guide to Moths of Northeastern North America (left plate) and Southeastern North America (two right plates). There are over 11,000 species of moths in North America. I have a hard enough time with the 1,103 bird species on the ABA Checklist. Let that sink in.

North America 100

North America America Oklahoma Missouri 100

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