Tag: survival

As the climate changes, researchers often focus on how temperature may affect a species’ ability to survive. But survival isn’t the only concern. Changing temperatures could affect species’ ability to...

Male elephant seals’ have a voracious drive to bulk up. As a result, they take much greater risks than females when feeding, researchers found. Male northern elephant seals (Mirounga angustirostris)...

Even though there are no are no management plans or harvest limits for bobcats in the Black Hills of South Dakota, researchers don’t know much about how the populations—particularly kittens—are...

Older golden-cheeked warblers have better reproductive success than their younger counterparts, researchers found, as well has higher nest survival and overall productivity. The golden-cheeked warbler (Setophaga chrysoparia) is a federally...

Lots of studies look at how climate change may impact a certain aspect of a mammal’s lifecycle, but a team of researchers say we need to start looking at the...

Translocating nuisance black bears doesn’t affect their survival, researchers found, giving support to the use of the technique to avoid conflicts with people. “I think that it’s important to recognize...

Yellow-bellied marmots in Colorado’s Rocky Mountains experience higher survival rates during the summer than in the winter as the climate changes. Researchers often use mark-recapture analyses to help them estimate...

Using weather radar to study North American bird migrations, researchers at the Cornell Lab of Ornithology made a surprising discovery: birds leaving the United States on long, hazardous journeys to...

Many bird populations include perplexing young males who choose not to settle down and breed.  Instead, they “float” through the breeding season without a territory. But this unattached approach may...

More and more burrowing owls are settling into cities, but how do built environments affect their movement and survival? Scientists in New Mexico found that burrowing owls — a state...