The whooper swan, like its onomatopoeic cousins, the whistling and the trumpeter, belongs to an elegant society of sisters; the mute, Bewick's, black, and black-necked fill out the ranks.

On Friday, city leaders confirmed those two swans also tested positive for bird flu. "We received the results from the necropsies that were done on the two Black-necked swans found over this past ...

Over the past two weeks, several different birds were found dead around ... This past weekend, two more swans, both Black-necked swans, were also found deceased. Concerned that these one of ...

The MGAP also announced that the birds must have a dose of vaccine ... due to the appearance of a case of influenza in a black-necked swan in Rocha.

Uruguay declared a sanitary emergency nationwide Wednesday following the detection of bird flu in a black-necked swan in the department (province) of Maldonado, some 180 kilometers from the border ...