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Considered an icon of conservation science, researchers at World Wildlife Fund (WWF) headquarters in Washington, D.C.,...
The new atlas, which shows the distribution of important trace metals and other substances, is the first product of...
Early in April, the first of a fleet of environmental monitoring satellites will lift off from Europe's spaceport in...
Since 2000, U.S. government health research agencies have spent almost $1 billion on an effort to churn out thousands...
Magdalena Koziol, a former postdoc at Yale University, was the victim of scientific sabotage. Now, she is suing the...
Antiretroviral drugs can protect people from becoming infected by HIV. But so-called pre-exposure prophylaxis, or PrEP...
Two studies show that eating a diet low in protein and high in carbohydrates is linked to a longer, healthier life, and...
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ScienceShot: Orangutans Decipher Each Other's Calls
9 March 2010 8:25 pm
Orangutans are pros at calling to each other through dense foliage. A new study examined orangutans' long-distance calls, which travel as far as 1 kilometer, in Borneo’s rainforest in Indonesia. Listening in on the calls from three males and observing how females reacted, researchers confirmed an earlier finding that orangutans know who the call is coming from. They also report in Ethology that the females react differently based on the context of a male's call: For example, they tended to ignore long calls that the males emitted following a disturbance, such as a tree falling, but those with infants—-like the one here—moved away from “spontaneous” long calls, which the males may emit to attract mating females.