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"
White's thrush striking identification feature in flight is the black band on the white underwings, a feature shared with Siberian thrush. The male has a song which is a loud, far-carrying mechanical whistle, with 5–10 second pauses between each one second long phrase "twee...tuuu...tuuu...tuuu". It was previously considered a subspecies of the scaly thrush. White's thrush White's thrush ("Zoothera aurea") is a member of the thrush family, Turdidae. It was named after the English naturalist Gilbert White. The genus name "Zoothera" comes from the Ancient Greek "zoon", "animal" and "theras", "hunter". The specific "aurea" is from Latin "aureus", "golden". It breeds in