Sharing the love helps male acorn woodpeckers father more chicks

A new long-term study led by Sahas Barve, a Peter Buck Fellow at the Smithsonian's National Museum of Natural History, finds that male acorn woodpeckers breeding polygamously in duos or trios of males actually fathered more ...

Stressed-out young oysters may grow less meat on their shells

Early exposure to tough conditions—particularly warmer waters and nightly swings of low oxygen—could leave lasting scars on oysters' ability to grow meaty tissue. A team of biologists at the Smithsonian Environmental ...

Scientists discover how a group of caterpillars became poisonous

The Atala butterfly (Eumaeus atala) and its five closest relatives in the genus Eumaeus like to display their toxicity. This sextet's toxicity comes from what they eat as caterpillars: plants called cycads that have been ...

Scientists discover electric eels hunting in a group

Deep in the Brazilian Amazon River basin, scientists led by the Smithsonian's National Museum of Natural History fish research associate C. David de Santana discovered a small, river-fed lake filled with more than 100 adult ...

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