10,000 Birds

JULY 22, 2014

The majority of wildcats live today in Africa, and virtually none of them have provided the DNA from which supposed histories of domestication have been constructed by researchers. Dogs are similarly dispersed across size ranges, with Foxes, Coyotes, and Wolves taking prey across different parts of the size range. billion birds and 6.9–20.7

Feral Cats 256

Feral Cats North America Feral Cats 256

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 179

Mammals Rodents Birds Reptiles 179

10,000 Birds

DECEMBER 7, 2021

This may have been partly a leftover from the Victorian fascination with egg collecting (the infamous passion known as oology), but probably more from people’s burgeoning interest in the nests and eggs found in their gardens and fields, gateway artifacts to a newer hobby called birdwatching. The Harrison guides are out of print.

Eggs 244

Eggs Birds United States Sparrows 244

10,000 Birds

SEPTEMBER 6, 2016

This is the story of Fox’s experiences on board the Achiever, the research vessel of the Raincoast Conservation Foundation. The Achiever’s survey voyages took place from 2005 to 2008; the goal was to collect baseline data on sea mammals and marine birds. Northern Fulmar, image courtesy of Peter Hodum.

Fox 100

Fox Albatross Geese Bald Eagle 100