10,000 Birds

DECEMBER 13, 2017

Zone-tailed Hawks can be found in the extreme lower parts of the US, in Arizona, New Mexico, and Texas, with an estimated population of 450-650 birds. There is a small population in Brazil, Paraguay, Bolivia, and northern Argentina. The US population migrate down to Oaxaca, Mexico and parts of the Yucatan area for the winter.

Tail Banding 100

Tail Banding Turkey Paraguay Mexico 100

10,000 Birds

JULY 6, 2021

Dunn starts in Alaska with the goal of seeing Rufous Hummingbird at the northern extreme of its migration (which he does with some effort and a few bear sightings) and ends in Tierra del Fuego, Argentina, “the end of the world,” with the sighting of a Green-backed Firecrown feeding at a firetree in cold drizzly rain.

Costa Rica 264

Costa Rica Brazil Ecuador Bolivia 264

10,000 Birds

NOVEMBER 6, 2012

These wily and diminutive owls occur from Bolivia and Argentina northward through Central America (check out this post on Pico Bonito ) and only just occur in the United States in Arizona and south Texas. The Arizona birds are from the cactorum race and these birds are often referred to as the Cactus Ferruginous Pygmy Owl.

Owls 156

Owls Texas Arizona Pigs 156