Japanese thrush 
(Turdus cardis)
grey thrush or the Japanese grey thrush
Hoét bụng trắng

The Japanese thrush (Turdus cardis) is a species of bird in the thrush family Turdidae.
Male: Black head and neck, ashy back, white belly blotched with black stains.
Female: Yellowish gray head and back, blotched breast with white and black, white and yellowish belly blotched with black stains.
Immature: Back like female, speckled with brownish neck, white and yellowish belly.