Related topics: species

Microbe-mediated adaptation to a novel diet

Insects are the most diverse animal group on earth. Many of them feed on plants, and they are constantly challenged by the diverse direct and indirect defenses of their food plants as well as an imbalanced nutrient composition. ...

Eating habits of gulls match their surroundings

Black-headed gulls choose food most likely to be found in their immediate environment, with birds in urban areas selecting less 'natural' foods than their rural counterparts, according to a study by the University of Liverpool.

Condors with greater independence have higher lead levels

As California condors return from the brink of extinction, the threat of lead poisoning persists, particularly for older, more independent condors, according to a study led by the University of California, Davis.

Are male brains wired to ignore food for sex?

Choosing between two good things can be tough. When animals must decide between feeding and mating, it can get even trickier. In a discovery that might ring true even for some humans, researchers have shown that male brains ...

Half of N. American Birds in peril from climate change

Iconic North American birds like the Bald Eagle and Brown Pelican are among hundreds of mankind's feathered friends facing threats to their survival due to climate change, researchers said Tuesday.

Pollen on birds shows feeding grounds

Encrusted pollen on migrating birds' heads can shed light on where they've taken a break from migration to refuel, scientists say.

Researchers reveal how ocean bacteria use light to grow

Sunlight stimulates common ocean bacteria to use carbon dioxide for growth when high-quality organic carbon food sources are scarce, according to surprising research by an international team that includes a University of ...

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