10,000 Birds

OCTOBER 16, 2012

If cats displace ferrets, then that probably means that birds are getting hit harder than rodents, and among birds, adult birds are getting hit harder than eggs or hatchlings. adding wolves, who displace coyotes) can dramatically change the ecology and directly affect species diversity and abundance.

Cats 181

Cats Boston Ferrets Killing 181

10,000 Birds

JULY 4, 2023

From Hiro, we learn how Northern Pygmy Owls are “rule breakers,” not incubating eggs till all are hatched and then raising owlets that mature at the same rate even though the eggs were laid asynchronously (as most owl eggs are).

Owls 209

Owls Science Barn Owls Penguins 209

10,000 Birds

JULY 22, 2014

Dogs are similarly dispersed across size ranges, with Foxes, Coyotes, and Wolves taking prey across different parts of the size range. It is probably true that there is a near 100% overlap in the rodents and other small terrestrial animals, as well as ground bird eggs, eaten by Coyotes and feral Cats. Plus, Coyotes eat Cats.

Feral Cats 254

Feral Cats North America Feral Cats 254

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 228

Eggs Birds United States Sparrows 228

10,000 Birds

JULY 21, 2011

Here, we see that mammals have a narrower distribution of size at the low end while birds have more size diversity. If we were to remove the hooved animals and non-Mustelidae carnivores (i.e.,

Mammals 174

Mammals Rodents Birds Reptiles 174

10,000 Birds

SEPTEMBER 6, 2016

” There are amazing stories here. The mystery of where the nests of the Marbled Murrelet were located, for example, solved finally in 1993 when a nest was found in an old-growth conifer in the middle of the forest.

Fox 100

Fox Albatross Geese Bald Eagle 100

10,000 Birds

JUNE 28, 2018

That year Congress passed the Lacey Act, followed by the tougher Weeks-McLean Act in 1913 and, five years later, the Migratory Bird Treaty Act, which protected not just birds but also their eggs, nests, and feathers 1. The persecution of these apex predators, especially wolves , is rampant among some hunters and cattle ranchers.

Hunting 110

Hunting Hunters Gorillas Wolves 110