Song thrush thrush recognizes the cuckoo's non-mimetic eggs. However, the song thrush does not demonstrate the same aggression toward the adult cuckoo that is shown by the blackbird. The introduced birds in New Zealand, where the cuckoo does not occur, have, over the past 130 years, retained the ability to recognise and reject non-mimetic eggs. Adult birds may be killed by cats, little owls and sparrowhawks, and eggs and nestlings are taken by magpies, jays, and, where present, grey squirrels. As with other passerine birds, parasites are common, and include endoparasites, such as the nematode "Splendidofilaria (Avifilaria) mavis" whose specific name "mavis"
Malayan whistling thrush Malayan whistling thrush The Malayan whistling thrush or Malaysian whistling-thrush ("Myophonus robinsoni") is a species of bird in the family Muscicapidae. It is endemic to Malaysia. Due primarily to habitat loss, its population is thought to be in decline. The Malayan whistling thrush was discovered by H. C. Robinson and described as "Myiophoneus robinsoni" by William Robert Ogilvie-Grant in 1905. The specific name is derived from Robinson's surname. Its natural habitat is montane forests. It is usually found near streams. It is situated at elevations of about in central peninsular Malaysia. The Malayan whistling thrush historically ranged from the Cameron