👉 Zaitzevhydrus is a genus of birds in the family Tyrannidae, typically found in the tropical rainforests of South America and the Andes mountains. The species includes a variety of species from Central Asia to southern Argentina and Chile. They are known for their distinctive black-and-white plumage, which varies from males to females in terms of coloration. These birds have been selectively bred for various purposes, including agriculture, as well as for ornamental or commercial use.