(PhysOrg.com) -- In the developing fetus, cell growth follows a very specific schedule. In the eye's retina, for example, cones -- which help distinguish color during the day -- develop before the more light-sensitive rods ...
Evolution
May 20, 2009
0
0
The northern spotted owl, a threatened species in the Pacific Northwest, would actually benefit in the long run from active management of the forest lands that form its primary habitat and are increasingly vulnerable to stand-replacing ...
Ecology
Jul 24, 2012
0
0
(AP)—Federal wildlife officials plan to dispatch armed bird specialists into forests of the Pacific Northwest starting this fall to shoot one species of owl to protect another that is threatened with extinction.
Ecology
Jul 24, 2013
18
0
A 700-mile security wall under construction along the United States' border with Mexico could significantly alter the movement and "connectivity" of wildlife, biologists say, and the animals' potential isolation is a threat ...
Ecology
Jul 7, 2009
2
0
Using owls as a model, a new research study reveals the advantage of stereopsis, commonly referred to as stereovision, is its ability to discriminate between objects and background; not in perceiving absolute depth. The findings ...
Plants & Animals
Jul 11, 2011
1
0
A new owl is the first endemic bird species discovered on the island of Lombok, Indonesia, according to research published February 13 in the open access journal PLOS ONE by an international team headed by George Sangster ...
Plants & Animals
Feb 13, 2013
0
0
The U.S. Fish and Wildlife Service is proposing to enlist shooters to kill more than 500,000 barred owls over the next 30 years in the Pacific Northwest to preserve habitat for northern spotted owls, a protected species.
Plants & Animals
Dec 6, 2023
0
15
A trio of great horned owls has been found to be engaging in a polygamous relationship according to an ornithologist with Bird Studies Canada. The finding has been reported by Doug Main with National Geographic.
Scott Judd trained his camera lens on the white dot in the distance. As he moved up the Lake Michigan shoreline, the speck on a breakwater came into view and took his breath away: it was a snowy owl, thousands of miles from ...
Ecology
Dec 21, 2017
0
48
Fleeing isn't the only way by which songbirds can protect themselves against predators. Many songbird species are known to engage in mobbing, where they gather aggressively around a bird of prey, flying rapidly while making ...
Plants & Animals
Jan 31, 2023
0
710
