“Mute swans are particularly susceptible,” Tira said via email. “They are a nonnative, invasive species that don’t migrate or fly great distances and tend to congregate in park ponds and ...

MUTE SWANS ARE A NON-NATIVE BIRD ... it can spread to those wild birds, and those wild birds fly off and move somewhere else, and the disease can spread," said Peter Tira. To mitigate the spread ...

Swan expert Kevin Wood suggests there has been just one documented case of a swan breaking a person’s arm: a hunter in America shot a flying swan ... claim any unmarked mute swan swimming ...