The birds were eliminated when the invasive brown treesnake was accidentally introduced to the island of Guam in the ’40s.

Texas health and wildlife officials have detected avian flu in at least four mammal species across six counties on the High Plains.

Australian and Dutch researchers have uncovered a remarkable evolutionary adaptation in birds that could hold vital clues for ...

Despite the name, these invasive birds are not actually sparrows but weaver finches, related to other weavers in Africa and elsewhere. European Starling Starlings, which are from Europe and Asia, ...

An unexpected flash of emerald sliced through the wide, sun-drenched skies of Big Bend National Park, catching both visitors and staff by surprise. A pair of military macaws—rarely seen in the ...

A sneak peek at upcoming San Diego community events, including street fairs, festivals, concerts, performances, art shows and ...

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 ...