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Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented behavior among marine mammals. This suggests a deeper...
Scientists show that wolves that are eating sea otters in Alaska have much higher concentrations of mercury than those eating other prey such as deer and...
Humpback whales are not always born in tropical waters, new research has shown -- challenging long-held assumptions about their breeding and migration behaviors, while raising new...
Researchers have shown that mice use chemical cues, including odors, to detect the social rank of an unfamiliar mouse and compare it to their own, using...
Researchers have found that wild orangutans vocalize with a layered complexity previously thought to be unique to human communication, suggesting a much older evolutionary origin.
Sumatran orangutan mothers differ from one another in how they behave with and take care of their infants and how flexibly they adjust their mothering behaviors...
A new study comparing wild and zoo-housed Sumatran orangutans reveals that life in a zoo significantly alters how orangutans interact with their environment. Researchers analyzed over...
A new study has found that the world's finest yodellers aren't from Austria or Switzerland, but the rainforests of Latin America. The research provides significant new...
More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed.
Every night, bats emerge out of roosts in massive numbers, creating what scientists have called a 'cocktail party nightmare' of clashing echolocations. Nobody knew how bats...
