WARNING GRAPHIC IMAGES: Four Iberian lynx killed by hunters in central Spain

WARNING GRAPHIC IMAGES: Four Iberian lynx killed by hunters in central Spain

Their comeback from the brink of extinction has been hailed as one of Europe’s greatest wildlife success stories, but that has been tainted by the news that at least four Iberian lynx have been killed this year through illegal hunting.

WATCH: First Eurasion Lynx born in Spanish Pyrenees for more than a century

WATCH: First Eurasion Lynx born in Spanish Pyrenees for more than a century

IN PICS: Eight of Spain’s most endangered species

IN PICS: Eight of Spain’s most endangered species

Endangered Iberian lynx found living in hills near Barcelona

Endangered Iberian lynx found living in hills near Barcelona

Police hunt macabre ‘wolf decapitator’ of Asturias

Police hunt macabre ‘wolf decapitator’ of Asturias

Two endangered Iberian lynx killed on roads within a week

Two endangered Iberian lynx killed on roads within a week

Drones to keep watchful eye in the sky over endangered Iberian lynx

Drones to keep watchful eye in the sky over endangered Iberian lynx

DNA confirms endangered lynx has returned to Madrid after 40 years

DNA confirms endangered lynx has returned to Madrid after 40 years

Cars threaten world’s most endangered feline

Cars threaten world’s most endangered feline

Road kill: Spain’s wild cats face rising death toll

Road kill: Spain’s wild cats face rising death toll

Spain’s ‘oversexed’ bear faces castration

Spain’s ‘oversexed’ bear faces castration

Spain’s football squad ‘could save Iberian lynx’

Spain’s football squad ‘could save Iberian lynx’

Spain set to clone extinct mountain goat

Spain set to clone extinct mountain goat

Metal detector bees give gold mine green light

Metal detector bees give gold mine green light

Endangered Spanish lynx slaughtered on roads

Endangered Spanish lynx slaughtered on roads