This year's report has been prepared by Rick Keyser, our raw bird data compiler. Thank you to each section leader, and to all other bird counters,...

Recent research has shown that hummingbird feeders can affect the bill size of Anna’s hummingbirds (Calypte anna), a western species. Anna’s...

Here are some new summer nature--themed books.  You can find more information about them here. Adults The Bird with Flaming Red Feet: Seasons with...

Will Krohn, a graduate student at the University of Delaware, is studying how Purple Martins move between and select their nesting colonies. To do...

At the request of the PA Game Commission, Hawk Mountain has initiated a new statewide Northern Harrier project focused on breeding harriers within...