Mistle thrush International Union for Conservation of Nature as being of least concern. The mistle thrush was first described by Linnaeus in his "Systema naturae" in 1758 under its current scientific names. "Turdus" is the Latin for "thrush", and "viscivorus", "mistletoe eater", comes from "viscum" "mistletoe" and "vorare", "to devour". The bird's liking for mistletoe berries is also indicated by its English name, "mistle" being an old name for the plant. There are more than 60 species of medium to large thrushes in the genus "Turdus", characterised by rounded heads, longish pointed wings, and usually melodious songs. A mitochondrial DNA study identified
Mistletoe host, it usually is possible to save a valuable branch by pruning and judicious removal of the wood invaded by the haustorium, if the infection is caught early enough. Some species of mistletoe can regenerate if the pruning leaves any of the haustorium alive in the wood. All parts of the Mistletoe plant are toxic, though its effects are not usually fatal. The active substances are Phoratoxin (in "Phoradendron") and Tyramine (in "Viscum") and their effects are blurred vision, diarrhoea, nausea and vomiting. Less commonly they cause cardiac problems; seizures, hypertension, and even cardiac arrest. Toxins are more concentrated in