Birds' blood functions as heating system in winter

Researchers at Lund University in Sweden have discovered that bird blood produces more heat in winter, when it is colder, than in autumn. The study is published in The FASEB Journal.

Great tits change their traditions for the better

Researchers at the University of Konstanz and Max Planck Institute for Animal Behavior in Germany have found that birds are able to change their culture to become more efficient. Populations of great tits were able to switch ...

Watching TV helps birds make better food choices

By watching videos of each other eating, blue tits and great tits can learn to avoid foods that taste disgusting and are potentially toxic, a new study has found. Seeing the 'disgust response' in others helps them recognise ...

Personalities promote adaptability

Bold great tits lay their eggs earlier when under threat, the shy ones put it off. Such personality differences help maintain the biological variation essential for the survival of populations, as LMU biologists have now ...

For these birds, climate change spells a rise in fatal conflicts

Researchers have found yet another way in which climate change has been detrimental to migrating birds. As European winters have become warmer, pied flycatchers traveling from Africa over long distances to reach breeding ...

Becoming promiscuous to ensure reproduction

Females of a socially monogamous passerine, the Japanese great tit (Parus minor), become more promiscuous after hatchings fail in the first breeding attempt—apparently attempting to ensure successful reproduction.

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