Data collected over a four-day span in February provides necessary information on where birds are living and long-term changes in their populations. February might sound like a chilly time of ...

The latest outbreak of bird flu has upended egg, poultry, and dairy operations, sickened dozens of farmworkers, and killed at ...

a white backside that can only be seen when the bird is in flight. Its wings, which are white on top and brown on the bottom, can reach a span of up to 7.5 feet. Its mostly bald head helps the ...