himalayan cuckoo cuculus saturatus grey with stripe black and white belly bird perching on curve branch over green

himalayan cuckoo cuculus saturatus grey stripe black white belly bird perching curve branch green eyes common exotic camouflage wings prey beak outdoor plaintive nature background thailand animal wildlife avian fascinate beautiful migrant fine feathers natural amaze cuculidae light silver hawk colorful creature eurasian flight plumage canorus line yellow winter lonely environment