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 ...
reproduction
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 ...
Cubs stay with their mothers longer to avoid hunters
For brown bear cubs, it pays to be a mama’s boy or girl. Researchers recently found that brown bear (Ursus arctos) cubs in south-central Sweden stay with their ...
Endangered Mexican sea turtles at risk of bycatch
On a Baja California Peninsula beach, sometimes over 1,000 sea turtles a year unexpectedly wash up dead because local fishermen incidentally entangle them offshore. ...
JWM: Winter conditions stress pronghorn the next summer
The Red Desert of south-central Wyoming has long been known for robust pronghorn populations, but in the last two decades, herds have diminished up to 30 percent. ...
Moisture, not just temperature, may skew sea turtle sex
As the global climate warms, sea turtle clutches from Australia to the United States are becoming increasingly female, raising concerns about the propagation and ...
Stress from oil and gas noise causes birds to ‘dial down’
The constant noise at oil and gas sites creates ongoing stress for birds, prompting them to “dial down” their stress response to deal with the incessant sound, ...