A pair of studies led by Indiana University researchers provide new evidence that when it comes to evolution, the testes may play a key role.
Tourists who feed wild monkeys in Morocco are risking the health of an endangered species by making them larger, more susceptible to disease, and more stressed, according to new research.
Many people feel anxious in crowds. But not so for prairie voles.
Red squirrels living in a low-stress environment harbour healthier communities of micro-organisms, a result that might hold implications for human health, according to a new University of Guelph-led study.
Researchers studying banded mongooses in Uganda have discovered that pups born to females that experienced elevated stress hormones during the later stages of pregnancy are much less likely to survive their first month.
The refinement of a common handling technique used on laboratory animals for pre-clinical research can dramatically reduce stress levels and significantly improve welfare, according to the findings of a new study published ...
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 ...
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.
Researchers studying banded mongooses in Uganda have discovered that those who work hard to care for pups may be less likely to invest in future offspring in the same way due to elevated stress hormones.
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, ...