News tagged with feathers

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'Naked' penguins baffle experts

Researchers from the Wildlife Conservation Society, the University of Washington, and other groups are grappling with a wildlife mystery: Why are some penguin chicks losing their feathers?

Apr 08, 2011
4.8 / 5 (10) 4 | with audio podcast

Fossil moths show their true colors

The brightest hues in nature are produced by tiny patterns in, say, feathers or scales rather than pigments. These so-called "structural colors" are widespread, giving opals their fire, people their blue eyes, ...

Nov 15, 2011
4 / 5 (1) 4 | with audio podcast

High-maintenance mallards

The shimmery feathers of a male mallard might have a showy quality that appeals to prospective mates, but the water resistance and self-cleaning capabilities of iridescent feathers pale in comparison to those ...

Jun 17, 2011
4 / 5 (1) 0 | with audio podcast

Big bang theory: How did dinosaurs have sex?

Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long and wei ...

Jul 16, 2013
4.6 / 5 (7) 5

City birds adapt to their new predators

Faced with the same threat, city and country birds do not react in the same way despite being from the same species. According to a new study, urban birds have changed their anti-predator behaviour in new ...

Nov 07, 2012
5 / 5 (1) 0