10,000 Birds

JUNE 7, 2012

What do you say when someone tells you they will be spending the summer in the Lower Michigan Peninsula? Recently it has also been documented as breeding in Wisconsin, Ontario, and the Upper Michigan Peninsula, but those birds are few and not always accessible. If you are a birder, you say “Kirtland’s Warbler!”

Michigan 234

Michigan Bahamas Endangered Species Research 234

10,000 Birds

SEPTEMBER 9, 2014

How many eggs did a pigeon lay? He reasons out answers to both questions, finally stating that, despite what many eyewitnesses wrote, the birds had to have laid more than one egg and that the birds had to have nested more than once a breeding season. This is not that kind of book, as Fuller makes clear from the beginning.

2014 160

2014 Killing Michigan Kentucky 160

10,000 Birds

JULY 21, 2011

Here’s some data from the famous research project of Manu, Peru, giving biomass in kilograms per hectare. The clifftop habitats along rocky shores of the North Atlantic (on both sides of the pond) abound in bird biomass during breeding bouts, for instance. The data here are from the site of Manaus: All animals: 200 Mammals: 8.4

Mammals 177

Mammals Rodents Birds Reptiles 177