Analyzing a leg bone from a fossil site in Colombia, scientists have identified a massive “terror bird” that lived about 12 ...
The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known ...
A common way ecologists predict population counts may be an unreliable way of forecasting future bird counts in urban areas, meaning scientists may be overestimating and underestimating the losses of ...
From the variegated flycatcher to the Steller's sea eagle, birders seek out those how-did-that-species-get-here moments.
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Millions of years ...
From cranes to warblers and everything in between, the waterfront trails at Richardson Bay Audubon Sanctuary in California ...
As bird populations dwindle across the globe, a new study from University of Vermont researchers suggests some species may be ...
Two plush-crested jay chicks can now be seen at the aviary at the Milwaukee County Zoo. Although the chicks ...
Some 350 hummingbird species make their home in North and South America. Brightly colored and incredibly fast, these tiny birds can hover in mid-air and even fly sideways and backward. Here are 10 ...
Up to 22 species of waterfowl can be found on Plum Island this time of year. The most common are the black ducks, mallards and gadwall. Also present this past week are American wigeon ... of Bill ...