#radio-collar

To eliminate all the elusive invasive goats in the Galapagos, researchers attached a radio-collar to a 'Judas goat' who would, because of its gregarious nature, seek out other goats. It was then tracked down, the group killed, but with the 'traitor' left alive in order to find more goats. source

Leopard in Nagarahole (Photo: K Subbaiah, WCS India Program)

When researchers are trying to understand how leopards live, where they go, and what they need to survive, their best hope is still to go into the bush with them, by vehicle and on foot. That hasn’t changed despite the coming of ubiquitous digital camera traps, satellite tracking, and other technologies.

It is difficult, sometimes…