The grim reason so many swans are dying in London at the momentThe death of birds in the Grand Union Canal is caused by avian botulism, leading to paralysis and drowning.
Dozens of swans found dead or 'gasping' for air in Grand Union CanalA severe outbreak of avian botulism is causing unusual deaths among swans at the Grand Union Canal, raising environmental concerns.
The grim reason so many swans are dying in London at the momentThe death of birds in the Grand Union Canal is caused by avian botulism, leading to paralysis and drowning.
Dozens of swans found dead or 'gasping' for air in Grand Union CanalA severe outbreak of avian botulism is causing unusual deaths among swans at the Grand Union Canal, raising environmental concerns.
Avian botulism caused ducks to die at California parkAvian botulism outbreak caused the deaths of ducks at Fairmount Park due to environmental conditions.Water level fluctuations and algae blooms contributed to the botulism outbreak.