10,000 Birds

JANUARY 7, 2020

Two maps of the northwest Bronx and adjacent Yonkers, one from 1891 and one from 2015, pp. Not all habitat change is due to humans; there is Chestnut Blight destroying American Chestnuts in the early 1900s, and the more recent Dutch Elm disease. They wrote books and published research. “Wait!”

New York City 146

New York City New York Birds Breeding 146

10,000 Birds

JULY 6, 2021

His guides include our own Patrick O’Donnell, who leads Dunn on a quest to see as many hummingbird species as possible across Costa Rica in just two days, an adventure described in his 2015 post “ A Hummingbird Quest in Costa Rica.”) Like all talented travel writers, Dunn is adept at drawing us into his experiences.

Costa Rica 264

Costa Rica Brazil Ecuador Bolivia 264

10,000 Birds

SEPTEMBER 15, 2015

The adults move to flocks, there may be two or three of them, that hang out mostly far off shore in the larger part of the lake, abandoning their embayments or otherwise protected areas. But now there is some research on that. The research used banding and racking technology to characterize winter time home ranges.

Humane 201

Humane Eagles Investigation Research 201