10,000 Birds

JUNE 1, 2021

610)) to a little history (“The elegant White-tailed Kite was formerly shot in large numbers by farmers who thought it threatened their chickens, although these birds feed almost entirely on insects and a few rodents” (p. Press, 2011, cited as “RTP to Paul Brooks, March 6, 1945, Peterson Institute.”

North America 279

North America America Birds California Condor 279

10,000 Birds

FEBRUARY 5, 2012

We now know a lot more, and the following information is largely based on the excellent work of our local bird data compiler Armin Konrad , who was amongst the first to notice the die-off in the first place and was also instrumental in coordinating the surveys and research that finally led to the identification of the culprit!

Germany 166

Germany Blackbirds 2006 Denmark 166

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. Accessed July 12, 2011 at [link] a. Sources Laden, Greg.

Mammals 195

Mammals Rodents Birds Reptiles 195