‘Common cuckoo’ sighting draws people from across the country as experts are left baffled over how the bird got to the US

Many people in other parts of the U.S. also have reported making special treks to the region in hopes of seeing it ...

Birders going ‘cuckoo’ after unexpected sighting in New York City area

A bird sighting on New York's Long Island has avian enthusiasts flocking to the region in hopes of spotting a feathered ...

This tiny bat is one of the world’s deadliest hunters

According to researchers at Aarhus University in Denmark and the Smithsonian Tropical Research Institute, small flying ...