Remove 2011 Remove Bears Remove Eggs Remove Research
article thumbnail

National Audubon Society Birds of North America: A Guide Review

10,000 Birds

The first guide bearing the National Audubon Society imprint was Audubon Bird Guide; Eastern Land Birds , written by Richard Hooper Pough, and illustrated by Don Eckelberry. I am particularly happy to see that the bird communication section includes recent research on singing female birds. These are all informative and current.

article thumbnail

How much bird is there, anyway?

10,000 Birds

Here’s some data from the famous research project of Manu, Peru, giving biomass in kilograms per hectare. Accessed July 12, 2011 at [link] a. In your back yard, if you have a feeder and exclude insects, birds may represent 100% of the animal biomass until either you our your cat walks outside. Amphibian’s and Reptiles: 3.4

Mammals 179