As he stood amid the thick old-growth forests in the coastal range of Oregon, Dave Wiens was nervous. Before he trained to shoot his first barred owl, he had never fired a gun.

For serious birders who regularly observe birds in the wild, ignoring climate change isn't possible. We have been seeing and documenting the effects of a warming climate since at least the 1950s.

New research from Point Blue Conservation Science shows the significant negative impact that invasive, non-native house mice on the Farallon Islands are having to the threatened ashy storm-petrel. Original modeling by ecologists published today in the journal Ecosphere shows the potential impacts to the petrel's population if mice are allowed to remain. The super-abundant mice encourage migrating burrowing owls to stay on the island, who later in the winter switch from eating mice to preying on […]

How do you identify a soaring scavenger from its flight silhouette, or pinpoint which species of swallowtail has just fluttered by on gossamer wings? These were among the challenges facing the survey teams as they attempted to shine a spotlight on the wildlife treasures concealed within the tropical forests on both sides of the border between Guinea and Liberia.

For every question about bird poop, uric acid appears to be the answer.