- lesser whitethroat, whitethroat, Sylvia curruca - Old World warbler similar to the greater whitethroat but smaller
--1 is a kind of warbler
- greater whitethroat, whitethroat, Sylvia communis - grayish-brown Old World warbler with a white throat and underparts
--2 is a kind of warbler
- white-throated sparrow, whitethroat, Zonotrichia albicollis - common North American finch with a white patch on the throat and black-and-white striped crown
--3 is a kind of New World sparrow
--3 is a member of Zonotrichia, genus Zonotrichia