Invasive species cost the North American economy $26 billion a year. By outcompeting local plants or animals, invaders reduce ...

Over 500 bird species could vanish in 100 years. Protecting habitats isn't enough. Targeted recovery efforts are crucial.

Climate change and habitat loss could cause more than 500 bird species to go extinct in the next 100 years, researchers from ...

Large Arctic mammals, such as ... lemmings, Arctic hares, wolverines, caribou, migrating birds, mosquitoes, and black flies. Animals of the alpine tundra biome migrate to lower elevations in ...

The Utah Division of Wildlife Resources is issuing 2025 hunting permits for unique bird hunting opportunities — targeting species like greater ...

Some species that breed over large geographic areas can still be adapted to a fairly narrow range of climates, making them more vulnerable to climate change than previously thought. Also, species ...

A Haast’s eagle attacks a moa pair. John Megahan, PLOS Biology, 3(1): e20 via Wikipedia under CC By 2.5 Evolution has a fondness for big birds. During the past 66 million years, repeated on ...

A climate niche is the range of different climate conditions (think temperature, precipitation and how predictably these two vary over time) that a species can thrive in. “Larger brain sizes correlate ...