Bears that rub trees reproduce more
In bear country, it’s not uncommon to notice the evidence of a bear rubbing against a tree, even if you don’t catch it in the act. Claw marks may be etched in ...
reproduction
Researchers seek fuller look at climate change and mammals
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 ...
Wildlife and human neighbors behave similarly
People who live off the land, such as hunter-gatherers or foraging humans, tend to behave similarly to their wildlife counterparts when it comes to foraging, ...
Fast living means shorter lives for migrating species
Researchers have long thought that migrating species pay a cost for the energy they spend making long journeys. But what exactly is the tradeoff for these journeys? ...
Noise, light pollution impact bird reproduction
Noise and light pollution have been known to cause behavioral changes in birds, but researchers recently found they can actually affect their reproductive fitness. ...
To survive city life, birds benefit from brains or breeding
Birds that thrive in urban environments either have larger brains or the ability to reproduce multiple times throughout their lifespan, researchers found. Past ...
Intensive agriculture decreases mourning dove reproduction
Mourning doves are a common species throughout much of the United States, but researchers found that intensive agricultural production could be causing their ...
Are biologists asking the wrong questions on climate change?
Could species be vulnerable to the effects of climate change at temperatures lower than biologists currently think? That’s the question a team of scientists is ...
Breakthrough provides hope for northern white rhino
For the functionally extinct northern white rhinoceros (Ceratotherium simum cottoni), there may be some hope. Although just two females of these rhinos remain, ...
Birds breed better when they ‘float’ through bad times
Many bird populations include perplexing young males who choose not to settle down and breed. Instead, they “float” through the breeding season without a ...