While its goal remains to introduce oxygen and remove carbon dioxide from the bloodstream, the path of airflow and the elements that make up this complex system are unique to birds and a few other ...

Maintaining a high metabolic rate and body temperature places an extreme demand on a bird’s respiratory system, especially during the intense physical exertion required for flight. Rapid oxygen ...

The air sac system is a vital part of the avian respiratory system. Air sacs are thin-walled structures, one to two cell layers thick, that extend throughout the body cavity and into the wing and ...

A snow goose in West Philadelphia ’s Carroll Park neighborhood is the city’s first suspected case of a highly contagious ...

The highly pathogenic H5N1 avian influenza virus ... capable of causing severe damage beyond the respiratory system. A groundbreaking study conducted by researchers at the University of Pittsburgh ...

The widening U.S. bird flu outbreak has made its way to Maryland, which has counted two cases on commercial poultry farms — ...

The news comes in the midst of HPAI cases in a commercial poultry operation in Kent County, Del., plus one in Caroline County ...

Health experts told Newsweek about the threats posed by the viruses and shared the best ways to protect oneself.