Researchers give endangered frogs silicone implants

Researchers at Chester Zoo have injected an endangered species of frog with fluorescent gel in a bid to pull them back from the brink of extinction.

A researcher holds a golden mantella frog under am altra-violet light at Chester Zoo Credit: Peter Byrne/PA Wire

Golden mantella frogs are native to Madagascar and are classed as critically endangered by the International Union for the Conservation of Nature.

Golden mantella grogs grow to around 20mm Credit: Peter Byrne/PA Wire

The 20mm-long frogs are injected with the silicone gel to help researchers identify individuals within the group. It is works, the practice could be used by researchers in Madagascar.

A golden mantella frog tinted with purple gel Credit: Peter Byrne/PA Wire