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

APRIL 9, 2018

To get there we would need to get out of New York, through New Jersey into Delaware, and then on through Maryland and Virginia until finally reaching our destination. We broke the drive down into two segments: from New York to Delaware on 31 March and from Delaware to North Carolina on 1 April.

North Carolina 100

North Carolina New York Delaware Puerto Rico 100

10,000 Birds

NOVEMBER 15, 2011

For those that might not fully comprehend, the birding slang-term to “dip” or to “dip out on” a bird is to go looking for a particular species and not find it. And many a birder has been given the death-stare by his/her fellow birders for even mentioning the word on a twitch for a particularly rare species.

Norway 240

Norway Delaware Pennsylvania Philadelphia 240

10,000 Birds

JULY 12, 2022

A Trip Report is a way to separate out a group of checklists within certain dates to obtain a comprehensive single-page summary, including the number of checklists submitted, number of species observed, number of lifers, and a map. I have found Trip Reports a useful way to organize checklists from birding trips. were new to me.

District of Columbia 162

District of Columbia Virgin Islands Maryland Delaware 162

10,000 Birds

AUGUST 13, 2019

Critically, NWRs preserve habitat and wildlife, often for endangered species. Blackwater NWR (Maryland): 223,000; $7.8 Bombay Hook NWR (Delaware); 166,000; $5.3 Chincoteague NWR (Virginia/Maryland): 7,000,000; $390 million; 3,647. Bear River MBR (Utah): 158,000 visits generating $4.1 Billy Frank Jr. million; 111 jobs.

Wildlife 258

Wildlife Maryland San Francisco Minnesota 258

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