Tag: reproduction

Mourning doves are a common species throughout much of the United States, but researchers found that intensive agricultural production could be causing their reproduction to decline. “A lot of papers...

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 asking in a recent opinion in...

For the functionally extinct northern white rhinoceros (Ceratotherium simum cottoni), there may be some hope. Although just two females of these rhinos remain, scientists recently created hybrid embryos from southern...

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...

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 mothers longer...

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. Analyzing these animals’ bones, researchers discovered...

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. The deep snow...

As the global climate warms, sea turtle clutches from Australia to the United States are becoming increasingly female, raising concerns about the propagation and persistence of these imperiled species. But...

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, researchers in New...

A group of researchers is calling for “extreme care” in managing trophy hunting after finding that the harvest of males that hunters worldwide choose could contribute to extinction in some...