Most common in early spring or during the start of breeding season, and due to raging hormones that cause aggressive behavior, birds banging on your window can be a most disturbing occurrence.
The National Wildlife Federation has a simple program that allows everyone to register their backyard or gardening area as "Certified Wildlife Habitat".
The best-selling series of National Audubon Society bird field guide books have gone mobile, putting the most authoritative and comprehensive birding information at the fingertips of iPhone and iPod Touch users.
The global early warning system, named PREDICT, will be developed with funding of up to $75 million over five years and is one of five new initiatives of the U.S. Agency for International Development (USAID) known in combination as the Emerging Pandemic Threats Program.