Spotted flycatcher the cuckoo, but became so good at recognising the intruder's eggs that it ceased to be victimised. A contrast to this is the dunnock, which appears to be a recent cuckoo host, since it does not show any egg discrimination. A study conducted at two different locations in southern England found that one third of nests were predated. The Eurasian jay ("Garrulus glandarius") was the most common aerial predator, consuming both eggs and chicks. The domestic cat ("Felis catus") predated a small fraction of the nests. Spotted flycatcher The spotted flycatcher ("Muscicapa striata") is a small passerine bird in the
Bird reserve Habitat) is an international agreement to protect wetlands, with special focus on aquatic birds. In Sweden it is the County administrative boards of Sweden and the Environmental Protection Agency that selects which areas are to be designated as bird reserves. Among the noted areas are Tåkern, Lake Hornborga, the southern part of Öland and Getterön. There are approximately 50 Ramsar areas in Sweden, and around 530 SPA areas where the latter comprises almost . Bird reserve A bird reserve (also called ornithological reserve) is a wildlife refuge designed to protect bird species. Like other wildlife refuges, the main goal of