10,000 Birds

DECEMBER 7, 2021

The guide covers over 650 species, most of the breeding birds in the United States (minus Hawaii) and Canada (like most guides with ‘North America’ in its title, it does not include Mexico or the Caribbean). Acorn Woodpeckers use both communal and cooperative breeding strategies which vary widely among family groups.

Eggs 239

Eggs Birds United States Sparrows 239

10,000 Birds

APRIL 17, 2012

Oil begins to wash up on the beaches throughout May and June of 2010 May 6, 2010 Oil washes ashore on the Chandeleur Islands off the Louisiana coast, an important nesting and breeding area for many bird species. October 26, 2011 BP is awarded a permit to drill another exploratory well in the Gulf of Mexico.

2010 241

2010 Louisiana 2012 2011 241

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 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?

Mammals 177

Mammals Rodents Birds Reptiles 177

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 161

Germany Blackbirds 2006 Denmark 161

10,000 Birds

APRIL 15, 2015

They are large passerines and research has shown them to be an ancient basal offshoot from the passerine tree (at approximately the same time as rockjumpers, were even placed in the same family until quite recently). Then a few years ago the news broke that picathartes had been rediscovered at a community forest reserve in Ghana.

Ghana 196

Ghana Hunters Guinea Gambia 196