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Botulism in waterbirds: Mortality rates and new insights into how it spreads

Botulism in waterbirds: Mortality rates and new insights into how it spreads

Outbreaks of botulism killed large percentages of waterbirds inhabiting a wetland in Spain. During one season, more than 80 percent of gadwalls and black-winged stilts died. The botulinum toxin’s spread may have been abetted by an invasive species of water snail which frequently carries the toxin-producing bacterium, Clostridium botulinum, and which is well adapted to […]