The Collaborative International Dictionary of English v.0.48:
Yellowthroat \Yel"low*throat`\, n. (Zool.) Any one of several species of American ground warblers of the genus Geothlypis, esp. the Maryland yellowthroat (Geothlypis trichas), which is a very common species. [1913 Webster]WordNet (r) 3.0 (2006):
yellowthroat n 1: small olive-colored American warblers with yellow breast and throat