Devil Ark operations manager Mike Drinkwater waves off a chartered aircraft carrying a shipment of healthy and genetically diverse Tasmanian Devils to the island state of Tasmania, from Scone Airport on Australia's mainland, November 18, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 18. REUTERS/Jason Reed

A Tasmanian Devil is loaded by Devil Ark manager Dean Reid onto a chartered aircraft as part of a shipment of healthy and genetically diverse devils to the island state of Tasmania, from Scone Airport on Australia's mainland, November 18, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 18. REUTERS/Jason Reed

A Tasmanian Devil fights off another devil as he eats kangaroo meat before a first shipment of healthy and genetically diverse devils is sent to the island state of Tasmania, at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

Tasmanian Devils fight in their enclosure before the first shipment of healthy and genetically diverse devils to the island state of Tasmania are sent from the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

A Tasmanian Devil joey sits on the shoulder of Devil Ark manager Dean Reid as he prepares a shipment of healthy and genetically diverse devils to the island state of Tasmania, at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

Devil Ark manager Dean Reid walks with a pair of Tasmanian Devils joeys on his shoulders before the first shipment of healthy and genetically diverse devils to the island state of Tasmania leave the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

A Tasmanian Devil eats kangaroo meat before the first shipment of healthy and genetically diverse devils are sent to the island state of Tasmania, at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

Devil Ark operations manager Mike Drinkwater (C) points to the sky as a chartered flight carrying a shipment of healthy and genetically diverse Tasmanian Devils takes off to the island state of Tasmania from Scone Airport near the Devil Ark sanctuary on Australia's mainland, November 18, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 18. REUTERS/Jason Reed

A Tasmanian Devil joey sits on the shoulder of Devil Ark manager Dean Reid as he prepares a shipment of healthy and genetically diverse devils to the island state of Tasmania, at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

A trap containing a Tasmanian Devil named Cameron is prepared as part of a shipment of healthy and genetically diverse devils to the island state of Tasmania, at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 18, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 18. REUTERS/Jason Reed

Tasmanian Devils are strapped in their traps onto a truck bed during a shipment of healthy and genetically diverse devils to the island state of Tasmania, at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 18, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 18. REUTERS/Jason Reed

A Tasmanian Devil sits among tall grass as a shipment of healthy and genetically diverse devils to the island state of Tasmania are prepared, at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

A Tasmanian Devil named Irene has her paws sprayed with disinfectant by operations manager Mike Drinkwater as she is prepared for the first shipment of healthy and genetically diverse devils to the island state of Tasmania, from the Devil Ark recovery and breeding facility in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

A Tasmanian Devil named Irene has her paws sprayed with disinfectant by operations manager Mike Drinkwater as she is prepared as part of a shipment of healthy and genetically diverse devils to the island state of Tasmania, from the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

Tasmanian Devils fight over a piece of kangaroo meat during feeding time at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

Devil Ark operations manager Mike Drinkwater inspects Irene, a Tasmanian Devil, as she is prepared as part of a shipment of healthy and genetically diverse devils to the island state of Tasmania, at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

A Tasmanian Devil screeches in its enclosure before being shipped as part of a healthy and genetically diverse group to the island state of Tasmania, at the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed

Devil Ark manager Dean Reid reacts as Tasmanian Devil joeys climb on him before the first shipment of healthy and genetically diverse devils to the island state of Tasmania leave the Devil Ark sanctuary in Barrington Tops on Australia's mainland, November 17, 2015. The largest group so far of disease-free Tasmanian devils has been released in the wild, as part of plans to save the carnivorous marsupials from a cancer threatening them with extinction. Picture taken November 17. REUTERS/Jason Reed TPX IMAGES OF THE DAY