And the beat goes on: The reliable heartbeat of hibernators

At the current temperatures, all hibernators have probably emerged from their winter hibernation and are enjoying the warm weather. However, this is quite different during the cold season. Many small mammals such as marmots, ...

Disappearing nannies force parents to accept their duties

(Phys.org) —Large helpers (nannies) in a cichlid fish allow the dominant male and female to reduce their personal contribution to their offspring and territory, according to new research published today in Functional Ecology.

Researchers examine environmental stress in migratory birds

(Phys.org)—Small migratory male birds that winter in a stressful environment age faster than those that winter in a high-quality habitat, according to research stemming from a collaborative National Science Foundation grant ...

Orsini's viper: Growth or reproduction?

Orsini's viper, a rare and protected species at risk of extinction in France, has an original reproductive strategy. In alternate years, it switches between reproductive and non-reproductive behavior. This strategy has recently ...

Grasshoppers change their tune to stay tuned over traffic noise

Grasshoppers are having to change their song – one of the iconic sounds of summer – to make themselves heard above the din of road traffic, ecologists have discovered. The study, published in the British Ecological Society's ...

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