Of the 366 species and 112 genera of hummingbirds living in the western hemisphere, fewer than two dozen types migrate to the ...

February is an excellent time for seasoned birders and casual nature enthusiasts to watch for one of Pennsylvania’s more ...

Birds worldwide make strategic decisions about how they live based on their environmental conditions. Some live fast, die ...

Knowing where, when and for how long mallard ducks -- natural carriers of avian influenza -- stop and rest as they migrate can help predict the probability that they will spread bird flu to backyard ...