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Surgeon aims to diagnose deformities of extinct saber-toothed cats
Robert Klapper has examined scores of damaged and diseased human knees, hips and shoulders. But a visit to the La Brea Tar Pits and Museum introduced the orthopedic surgeon to the suffering of an...
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In marine mammals’ battle of the sexes, vaginal folds can make the difference
The battle of the sexes, at least among certain ocean mammals, may come down to well-placed skin folds, suggests research by Patricia Brennan, an evolutionary biologist at Mount Holyoke College in...
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Here’s why so many saiga antelope mysteriously died in 2015
Spring calving season for the saiga antelope of central Kazakhstan is a delight for the researchers who keep tabs on the critically endangered animals. During the day, thousands of newborn saigas lie...
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Humpback whale bumps have marine biologists stumped
Off the Kohala coast on the Big Island of Hawaii, Christine Gabriele spots whale 875. The familiar propeller scar on its left side and the shape of its dorsal fin are like a telltale fingerprint....
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A hammerhead shark baby boom near Florida hints at a historic nursery
It seems like an unlikely place for a nursery of endangered hammerhead sharks, but a recreational hot spot just off the coast of Miami may host a school of these precious babies. If confirmed, the...
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Some birds learn to recognize calls while still in their eggs
Over a decade ago, behavioral ecologist Diane Colombelli-Négrel was wiring superb fairy wrens’ nests to record the birds’ sounds when she noticed something odd. Mother fairy wrens sang while...
View ArticleFemale dolphins have a clitoris much like humans’
Dolphins have active sex lives, with frequent dalliances not just for reproduction. One reason may be that the prominent female dolphin clitoris provides sexual pleasure. A new up-close look at...
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Culturally prized mountain goats may be vanishing from Indigenous land in Canada
For thousands of years, members of the Kitasoo/Xai’xais First Nation in Canada have prized the mountain goats that roam the craggy peaks of British Columbia’s central coast. The animals have long been...
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