Ecology and Evolution

Biologists give paternity tests to fish (Update)

(Phys.org) —Paternity tests of surfperch fishes reveal that a single brood may have as many as eight different fathers. And the more mates a female surfperch has, the more offspring she will produce, according ...

dateMay 15, 2014 in Ecology
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Ticks and endangered voles linked by migrating birds

Migrating birds probably did it. That's what University of California, Davis, epidemiology professor Janet Foley says after DNA detective work confirmed that a disease-carrying tick only found in the southeastern United States ...

dateJan 31, 2014 in Ecology
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Polar bear diet changes as sea ice melts

A series of papers recently published by scientists at the American Museum of Natural History suggests that polar bears in the warming Arctic are turning to alternate food sources. As Arctic sea ice melts ...

dateJan 22, 2014 in Ecology
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