10,000 Birds

JULY 25, 2014

It’s bad enough to be an invasive species — the term shows a major fall in public esteem from the days when acclimatization was the rage. But as a descriptor, ‘invasive species’ doesn’t have a patch on ‘noxious weed’ Call something a noxious weed and there’s no doubt where you stand on it.

Montana 164

Montana Goats Sheep Species 164

10,000 Birds

APRIL 2, 2013

The core of the book are the Species Accounts, 190 accounts by 52 authors, some names that readers will easily recognize, others birders and ornithologists well-known in Pennsylvania. You can see the Species Account for Henslow’s Sparrow above, in the banner photo. The second page is the map page. Brauning and Andrew M.

Pennsylvania 229

Pennsylvania Breeding Birds Sparrows 229

10,000 Birds

DECEMBER 17, 2013

But I’ve compiled a sampling of this year’s news and events for your edification. 08–20 Many bird species are in trouble, but the Hooded Grebe is really really in trouble. Birds are raised from the egg to follow a certain migration timing, but that timing shifts when the egg hatches later or earlier due to changes in conditions.

Science 188

Science 2013 Elephants Birds 188

10,000 Birds

NOVEMBER 7, 2017

The Crossley ID Guide: Waterfowl covers every residential, migrating, vagrant, exotic, and introduced swan, goose, dabbling and diving duck in North America (Canada and the United States): 62 Species Accounts on four swan species and one vagrant subspecies; 15 goose species; 46 duck species; plus accounts for hybrid geese, ducks and exotics.

Ducks 118

Ducks North America Geese Hunters 118