A young Eurasian Crane -- on the right -- eats from a litter picker disguised as an adult crane, on the left.
It's at the Wildfowl and Wetlands Trust in Slimbridge, England. Turns out the staff there was worries that the birds would become too accustomed to humans, and then too dependent. So they came up with a set of crame costumes and heads to fool the youngsters.