Chestnut thrush
The chestnut thrush is a species of bird in the family Turdidae. It breeds in the western Himalayas and central/southwestern China; it winters in Eastern Himalaya and northern Southeast Asia. Its natural habitat is temperate forests.
It is socially monogamous, but extra-pair partners are common. It exhibits sexual dichromatism, a form of sexual dimorphism in which males and females have different plumage colors. However, this difference is typically not noticeable to human observers.