The whistling thrushes comprise a genus Myophonus of the Old World flycatcher family Muscicapidae.
The genus name Myophonus is from the Ancient Greek muia meaning "fly" and phoneus meaning "slayer".

1/ Blue whistling thrush (Myophonus caeruleus, Hoét xanh) 
caeruleus : dark blue likely from caelum, "sky."