Related topics: stress hormones

Small rural owl fearlessly colonizes the city

Think of the city and images of traffic, pollution, noise and crowds spring to mind. The metropolis doesn't seem to be the most ideal habitat for any animals other than humans. However, Spanish and Argentinean scientists ...

When stressed birds fly the nest

Stress in young birds makes them leave home early and occupy more central social network positions later in life, according to the latest research published today by scientists at the Universities of St Andrews and Oxford.

The ups and downs of getting grumpy bears to have sex

There is nothing intrinsic to pandas that makes them bad at breeding. It is true that they only have one menstrual cycle each year, but this is true of many creatures. Animals that have multiple cycles per year, such as humans, ...

Sheep wool growth boosted by reducing cortisol

University of Adelaide researchers have shown that sheep wool growth can be significantly boosted by manipulating the stress hormone, cortisol, in their pregnant mothers.

Kids reduce stress in goat herds

The introduction of young dairy goats into an existing herd is stressful for all animals involved. Rank fights and aggressive behaviour can further result in injury. Researchers at the University of Veterinary Medicine (Vetmeduni ...

Wolves howl because they care

When a member of the wolf pack leaves the group, the howling by those left behind isn't a reflection of stress but of the quality of their relationships. So say researchers based on a study of nine wolves from two packs living ...

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