"Specifically things like peregrines because in the Middle East you've got people out there who will pay a vast amount of money for a wild peregrine. "So there are egg thieves who will go to extreme lengths to get them and smuggle them out of the country to trade in the Middle East where it's almost like gold within an egg shell. They are worth an awful lot of money. "Those people are rare but they are willing to travel the country to target certain species." Sgt Brian Calver, from Suffolk police's rural crime team - Credit: Archant Operation Easter, which runs across the UK throughout the bird nesting season, targets egg thieves and allows intelligence to be shared with police forces.