10,000 Birds

FEBRUARY 29, 2024

And, as I have mentioned before , under-birded countries like Mexico provide lots of opportunities for amateur birders like me to make real contributions to science. Both species can theoretically breed in central Mexico, but in my experience are almost exclusively winter visitors. And it brought friends.

Mexico 213

Mexico Investigation Science Experience 213

10,000 Birds

NOVEMBER 13, 2018

When I got home later that day I downloaded my photos and reported the band number to the feds , and then put the photos on the New York Birders Facebook page to ask if anyone knew what the weird little widget attached to the goose was. And, upon closer examination, it had a weird little device attached to the color band.

New Jersey 117

New Jersey New York Science Canada 117

10,000 Birds

OCTOBER 6, 2015

Each account contains a range map created by Weidensaul, utilizing diverse sources–breeding bird atlases, banding data, research articles. (It The album is available online and can be used interactively on the web or downloaded (the URL is given in the Introduction). Warning: Going to this web page can be addicting.

North America 219

North America Owls America Dominican Republic 219

10,000 Birds

SEPTEMBER 15, 2011

Penguins are flightless, but some species locomote over long distances on antarctic ice to travel between breeding grounds and the sea. Fossil Evidence for Evolution of the Shape and Color of Penguin Feathers Science, 330 (6006), 954-957 DOI: 10.1126/science.1193604 1193604 Drawing is from El Penseive de Dinorider.

Penguins 190

Penguins Seals Peru Leopards 190

10,000 Birds

JULY 7, 2020

This is a delightful book, large (8-1/2 by 11 inches), filled with Sibley’s distinctive artwork and an organized potpourri of research-based stories about the science behind bird’s lives. Is a free digital download possible?) copyright @2020 by David A llen Sibley. copyright @2020 by David A llen Sibley.

2020 263

2020 Birds North America Sparrows 263

10,000 Birds

JANUARY 27, 2022

Well-marked subspecies groups receive full accounts, and the distributions of subspecies breeding in the region are clearly mapped. Besides the usual checkboxes to tick your sightings, it offers the additional info of the species status (from common to scarce, with geographical remarks such as “vagrant (Peninsula)”).

Malaysia 237

Malaysia Singapore Asia 2020 237