Cages and emetics rescue wading birds: Decoy eggs injected with a drug to induce vomiting in predators

ScienceDaily (2010-05-09) -- The number of waders (shorebirds) in Sweden is falling rapidly. Scientists have tested drastic new methods to protect species such as the Northern lapwing and redshank from predators, including protective cages over their nests and decoy eggs injected with a drug to induce vomiting.