Lizard moms may prepare their babies for a stressful world

Stressed out lizard moms tend to give their developing embryos short shrift, but the hardship may ultimately be a good thing for the babies once they're born, according to a study published in the journal Physiological and ...

Anxious mice make lousy dads: study

Normally, male California mice are surprisingly doting fathers, but new research published in the journal Physiological and Biochemical Zoology suggests that high anxiety can turn these good dads bad.

Bluebirds struggle to find happiness on island paradise

Island plants and animals are often different from their mainland relatives. In general, the lack of top predators and large herbivores on isolated oceanic islands influences traits of island organisms. Consider, for example, ...

Bornean treeshrews can take the heat

As human activity shapes Earth's climate, animals must increasingly adapt to new environmental conditions. The thermoneutral zoneā€”the ambient temperature range in which mammals can maintain their body temperature without ...

Brightly colored bird bills indicate good health

Troy Murphy has found female bill colour reflects the health of the bird. Females with more colourful bills have higher antibody levels, indicating greater strength and the ability to fight off invaders.

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