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Climate change negatively impacting bumblebees, study finds

Temperature changes have harmed the majority of bumblebee species over the last 120 years, according to new research published this week in Biology Letters. Temperature changes, the researcher note, had a greater negative impact than other factors such as precipitation or floral resources. "Bumblebees are...

Secrets of aging revealed in the largest study on longevity, aging in reptiles and amphibians

Jonathan the Seychelles giant tortoise, who is 190 years old, recently made headlines for being the world's "oldest living land animal." Although there is anecdotal evidence that some species of turtles and other ectotherms—or 'cold-blooded' animals—live a long time, the evidence is patchy and...

In the colorful avian world, hummingbirds have the widest breadth of colorful plumage

Richard Prum, a Yale ornithologist, has spent years studying the molecules and nanostructures that give many bird species their vibrant plumage, but nothing prepared him for what he discovered in hummingbirds.Prum and colleagues report in the journal Communications Biology on June 23 that the...

This lizard species can switch from female to male prior to birth

A team of researchers from the University of Tasmania and a colleague from the University of Canberra discovered that a lizard species can convert from female to male before giving birth. The group outlines trials they conducted with snow skinks in Tasmania and what...

An exploration of global patterns of trade in arachnids reveals 1,264 species from 66 families

Scientists found a large trade in arachnids across the internet. The study was published in the journal Communications Biology. Scientists describe their study of arachnid trade via the internet and possible repercussions of so many of the creatures being traded across the world. In the study,...

Scientists figure out how vampire bats got a taste for blood

Scientists have figured out why vampire bats are the only mammals that can survive on a diet of just blood. They compared the genome of common vampire bats to 26 other bat species. They identified 13 genes that are missing or no longer work in vampire bats. Those gene...