10,000 Birds

JULY 19, 2021

He noted that this new bird had longer bills and “darker loral and auricular regions” than the mainland Brown-headed Nuthatch, and collected two of them for science. He gave one to his home institution, the Academy of Natural Sciences in Philadelphia and the other to the American Museum of Natural History in New York City.

Bahamas 343

Bahamas Philadelphia 2004 United States 343

10,000 Birds

OCTOBER 23, 2017

But does the value of a particular trip come from the number of birds seen, viewing a particular species, seeing an endangered species, catching a glimpse of a rarity, adding a lifer, or something else? Ecological Economics 137 (2017): 1-12. ( Link ; temporary free link.). Birders derive “value” from birding.

Oregon 175

Oregon Washington Chad Birds 175

10,000 Birds

DECEMBER 11, 2018

Other papers are locked behind paywalls.) That research ultimately led to an article about the conservation efforts regarding the Laysan Duck in the June 2017 issue of Birding. Detailed knowledge of the genetic diversity in this species will help inform the effort by analyzing genetic variation in the source population.

Transported 113

Transported 2011 Research 2012 113