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 190

United States West Virginia Puerto Rico Minnesota 190

10,000 Birds

APRIL 3, 2012

There’s a little hint of white in the malar and throat too, which would seem to be a problem for the species Black- chinned Sparrow. The bird was immediately apparent to be as such largely because a similar bird has been visiting a feeder, and well-photographed, in Henderson County in western North Carolina for the last three winters.

New Jersey 214

New Jersey North Carolina Sparrows Connecticut 214

10,000 Birds

AUGUST 9, 2013

Got to finish browsing for the fawns and collecting chiggers,” wrote Becky, from an island off North Carolina. Self-cleaning pens, never-empty feed buckets,” wrote Angel in South Carolina and Zoe in California. “A A filtration system that works on waterfowl pools without clogging,” wrote Linda in Connecticut.

Wildlife 241

Wildlife Wildlife Rehabilitation Oklahoma New York 241

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