This undated electron microscopic image provided by the Centers for Disease Control and Prevention shows two Influenza A (H5N1) virions, a type of bird flu virus. (Cynthia Goldsmith, Jackie Katz ...

We are quickly getting into kitten season. That is the time of year when shelters get overrun with kittens. Adult cats are ...

Search our Species Guide by entering the first few characters of the species' name in the box below. You can search by English or scientific name and choose between either IOC or Clements as the ...