10,000 Birds

MARCH 19, 2013

He collected 136 individuals found laying around after the storm, and carefully measured them. Over the course of 30 years, the researchers collected all the road-killed swallows they encountered while doing their other research. The researchers collected and measured these birds as well. We are not counting insects.)

Killing 200

Killing South Africa Nebraska Collecting 200

10,000 Birds

JUNE 21, 2012

That for the latter nature went on without them, letting them observe, seems to be proved by the fact that there doesn’t seem to be a big difference in your chance of getting wounded by a small to medium forest mammal if you are hunting them or if you are gathering plant products. Or get your own. Not birds, though.

Birds 170

Birds Collecting Rodents Wounded 170

10,000 Birds

JULY 21, 2011

The data here are from the site of Manaus: All animals: 200 Mammals: 8.4 This is also because mammals are large. Comparing mammals, birds, and reptiles, for instance, what is the distribution and range of sizes? Here’s some data from the famous research project of Manu, Peru, giving biomass in kilograms per hectare.

Mammals 177

Mammals Rodents Birds Reptiles 177

10,000 Birds

NOVEMBER 17, 2011

And, of course, of all the tissues that make up a bird or a mammal, neural tissue is the most demanding of oxygen. This study collected data on mean wing length and tail feather length as well as measurements of the head. So, two body size measurements and one brain size measurement were taken on a sample of birds.

Mammals 239

Mammals Birds Fish Cooking 239