bird count

Diane VanLandingham owns ranch land near LaJunta, CO, and has permitted bird counters with Bird Conservancy of the Rockies onto her land to survey bird species and count their populations.

Some landowners are wary of the motivations of technicians gathering bird data on their land. The more accurate data provided by the bird census program can benefit private landowners, who often shudder when there's talk a bird or animal might be listed as threatened or endangered because of land-use regulations such a listing can bring.

Darryl Birkenfeld / Kansas Department of Wildlife, Parks and Tourism

A new program for counting birds relies on random data-collection-points across a landscape -- some on public land, some on private. Ranchers shudder when there's talk a critter might be listed as threatened or endangered; rules sometimes are imposed that impact or impede operations.

The Mountain Plover is a shorebird that spends little time on the beach and lives on the open Plains and nowhere near mountains.

Citizen Science: eBird

Jul 2, 2014
The Internet Bird Collection

eBird was launched in 2002 by the Cornell Lab of Ornithology and National Audubon Society. It helps bird-watchers keep records of observations.

Wikimedia Commons

When America adopted the bald eagle as the national symbol in 1782, there may have been 100,000 nesting eagles. But the eagle population declined, in part due to pesticides.