Most of us are familiar with yawn contagion, which is the act of spontaneous yawning when someone nearby yawns, often but not always audibly. For humans, yawning can emanate from fatigue or boredom, and either seeing or hearing ...
White-necked jacobin hummingbirds sport a colorful blue-and-white plumage as juveniles. When they grow into adulthood, males retain this dazzling pattern, while females develop a more "muted" palette of green and white—at ...
Plants & Animals
Sep 7, 2022
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Female white-faced capuchin monkeys living in the tropical dry forests of northwestern Costa Rica may have figured out the secret to a longer life—having fellow females as friends.
Plants & Animals
Aug 10, 2022
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Adults of many animal species play a crucial role in the social development of youngsters. A new study published March 18 in the online, peer-reviewed, open-access journal PLoS ONE, reveals that the ratio of adults to young ...
Plants & Animals
Mar 17, 2009
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More time stranded on land means greater risk of starvation for polar bears, a new study indicates.
Plants & Animals
Feb 13, 2024
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Researchers report December 22 in the journal Current Biology that the more time reindeer spend ruminating, the less time they spend in non-rapid eye movement (non-REM) sleep. EEG recordings revealed that reindeer's brainwaves ...
Plants & Animals
Dec 22, 2023
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Orangutans are dependent on their mothers longer than any other non-human animal, nursing until they are at least six years old and living with her for up to three years more, learning how to find, choose, and process the ...
Plants & Animals
Jul 5, 2023
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A small international team of marine scientists has found that a drop in southern right whale populations who spend part of their lives off the coast of Argentina, is due to attacks on calves by kelp gulls. In their study, ...
In the Pacific Northwest and British Columbia, scientists have been sounding the alarm about the plight of southern resident orcas. Annual counts show that population numbers, already precarious, have fallen back to mid-1970s ...
Plants & Animals
Mar 10, 2023
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A small team of oceanographers from the West Iceland Nature Research Center, Orca Guardians Iceland and Dalhousie University, has observed an adult female orca swimming with and caring for a young long-finned pilot whale. ...
