Scientists from Leiden University Medical Centre in the Netherlands filmed wild mice using an outdoor wheel for three years to analyse their behaviour They found the behaviour is natural even if ...

In prior bird flu outbreaks, there’ve been several documented cases of feline-to-feline spread, but ingestion seems to be the primary route of exposure for pets in the current outbreak, says Coleman.

A massive "megalodon" of a goldfish caught in Presque Isle, Pennsylvania, is a good reminder of why people shouldn't release their pets into the wild, the U.S. Fish and Wildlife Service says.