10,000 Birds

JULY 4, 2023

Ackerman’s new book is about owls and owl research–the knowledge recently and currently being discovered through DNA analysis, new-tech tracking and monitoring, and old-fashioned fieldwork under the auspices of organizations like the Global Owl Project and the Owl Research Institute.

Owls 246

Owls Science Barn Owls Penguins 246

10,000 Birds

MAY 3, 2012

And then, a few years ago in Colorado, I looked at a Pale Snaketail through my binoculars and became hooked by the absolute alien quality of the creature’s face juxtaposed against the beauty of its flight. Although designed as a field guide, it is a hefty book, 376 pages long, covering 336 species. Many species also differ with age.

United States 250

United States Costa Rica Massachusetts North America 250

10,000 Birds

JULY 21, 2011

Here’s some data from the famous research project of Manu, Peru, giving biomass in kilograms per hectare. What we see here, however, is both: Most of the mammals at this small end of the graph are nocturnal, and there is clearly a lack of overlap in body size for many species. Amphibian’s and Reptiles: 3.4 Myers, P.,

Mammals 233

Mammals Rodents Birds Reptiles 233

10,000 Birds

OCTOBER 6, 2018

They noted 598 species as a team, bringing the year total to 2118 and pushing the life list to 3555. Trinidad Lake Watchable Wildlike Trail and Hides, Colorado. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. 28 Sep 2018. 27 Sep 2018.

2018 113

2018 Australia Woodpeckers Los Angeles 113