Population Biology

Female birds age more slowly and live longer when they have help raising their offspring, according to new research. Female birds age more slowly and live longer when they have help raising their offspring, according to new research…

What do you do to remain comfortable in your home? If you're like the American citizen scientists who reported information about their home climate, you make it as close as possible to the outdoor climate of west central Kenya,…

Conservation strategies focused on connectivity and coexistence could helpCredit: Johanna Turner Two isolated mountain lion populations in southern California's Santa Ana and Santa Monica Mountains are at risk of local extinction,…

In certain ant species, queens invade the colonies of other species, kill the host queen or queens and lay their eggs in the host nest. After this, the host workers tend to the offspring of the parasitic queen as if their own, just as a…

Coyotes expanded their range to colonize eastern North America over the last century, where their impacts on white-tailed deer populations are highly debated. In a Journal of Wildlife Management study, researchers conducted the first…

Credit: Dr. Aimee P. Rockhill (Western Carolina University) and Dr. Christopher S. DePerno (North Carolina State University) Coyotes eat deer, but not enough to limit the deer population at a large scale. A new study of deer numbers across…

For the first time, University of Guelph biologists have tracked an annual migration of up to 20,000 kilometers made by the 12-gram blackpoll warbler, one of the fastest declining songbirds in North AmericaCredit: Christian Artuso It's an…

CORVALLIS, Ore. - New research shows that recent climate change is having profound effects on wetlands across the American West - affecting birds that use these wetlands for breeding, migration and wintering. According to a study…

Ohio researchers describe most complete mammal from the Cretaceous Period of Africa, underscoring the need for additional field explorationCredit: Patrick O'Connor, Ohio University ATHENS, Ohio (March 18, 2019) -- Ohio University…

The largest-ever study of ancient DNA from the Iberian Peninsula (Spain and Portugal) suggests that the Iberian male lineages were almost completely replaced between 4,500 and 4,000 years ago by newcomers originating on the Russian…