himalayan cuckoo cuculus saturatus grey bird in genus cuculus, breeds from himalayas eastward to southern china and

himalayan cuckoo cuculus saturatus grey bird genus breeds himalayas eastward southern china eyes common exotic camouflage green wings prey beak outdoor plaintive nature background thailand animal wildlife branch avian fascinate beautiful migrant fine feathers stripe natural amaze cuculidae light silver hawk colorful creature eurasian flight plumage canorus line yellow winter