At the end of the wintering season, when Perumbakkam wetland dries up, images of belligerent black winged stilts guarding the ...

A hawk holds a black-winged stilt in its talons along a stream in Gangneung, Gangwon Province, northeastern South Korea, on ...

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...