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Pet flea treatments may be harming wildlife – but owners can help

By Cannelle Tassin de Montaigu, Research Fellow, Ecology & Evolution, University of Sussex

Toxic substances used in flea and tick treatments pet owners give to their dogs and cats have been detected in birds’ nests, according to new UK research.

Fipronil and imidacloprid, two common insecticides distributed by vets in pipettes to kill or stunt fleas, were previously found in nearly all English rivers. These chemicals are known to harm aquatic insects, which has repercussions…

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