John Read is an Australian ecologist who has come up with novel way of targeting feral cats... by using their grooming instincts against them. John Read has invented a robotic grooming trap which, when it detects an animal the size of a cat passing by, sprays it with a poisonous gel, which the cat ingests, when it licks itself grooming. He's currently trialing the traps in two locations - in Queensland to help save night parrots and Western Australia where there endangered marsupials.
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