Just about anywhere you look, there are birds. Penguins live in Antarctica, ptarmigan in the Arctic Circle. Rüppell’s vultures soar higher than Mt. Everest. Emperor penguins dive deeper than 1,800 ...
The number of birds in America's grasslands and shorelines has declined by a third in the last 50 years, according to a new report. But birds are staging a comeback in wetlands. PFEIFFER: The pinyon ...