�y��vlog

These include developing a vaccine for elephants against a deadly virus; the creation of genetically modified marsupials in Australia known as quoll to be resistant to neurotoxins produced by their predator, the cane toad; and reintroducing genetic diversity in the pink pigeon in Mauritius.

Yellow spotted monitor lizards usually die after eating a single adult cane toad, an introduced pest with toxic skin secretions that has wreaked havoc on Australia’s native wildlife.

The team counted lizards at each site, then put out more than 200,000 cane toad eggs for three of the seven populations.

And Ward-Fear’s team is now evaluating cane toad aversion for protecting crocodiles and aquatic monitors.

Most will then avoid eating another cane toad and survive.