redstart
noun
red·start ˈred-ˌstärt 
1
: a small Old World songbird (Phoenicurus phoenicurus of the family Turdidae) with the male having a white brow, black throat, and chestnut breast and tail
2
: an American warbler (Setophaga ruticilla of the family Parulidae) with a black and orange male
Example Sentences
Recent Examples on the Web The word steort fell out of general use around 1300, surviving only in the names of birds like redstart and wagstart (better known today as the wagtail). 
Simon Horobin, Quartz, 10 Nov. 2019 Also among reports were a smattering of warblers: ovenbird, black-and-white, common yellowthroat, American redstart, yellow, and pine. BostonGlobe.com, 29 July 2019 At Parker River National Wildlife Refuge, there were two Wilson’s phalaropes, three swamp sparrows, four American redstarts, and a blackpoll warbler. BostonGlobe.com, 23 June 2019 Getty Images/Morgan McMullenGetty Images Hello, redstarts, and welcome to another edition of This Week in Timothée Chalamet. Cady Drell, Marie Claire, 17 May 2019 Warblers and thrashers, hummingbirds and catbirds, redstarts and orioles, dozens of migratory species can be seen or heard on the narrow slip of land between Mobile Bay and the Gulf of Mexico. Ben Raines, AL.com, 20 Apr. 2018 Aristotle thought that the robins living in Greece in the winter somehow turned into redstarts in the summer. Carl Zimmer, New York Times, 5 Jan. 2017 In another account, a small black redstart reportedly landed in the reservoir and was struggling to stay above water. Fox News, 30 June 2017 See More
Simon Horobin, Quartz, 10 Nov. 2019 Also among reports were a smattering of warblers: ovenbird, black-and-white, common yellowthroat, American redstart, yellow, and pine. BostonGlobe.com, 29 July 2019 At Parker River National Wildlife Refuge, there were two Wilson’s phalaropes, three swamp sparrows, four American redstarts, and a blackpoll warbler. BostonGlobe.com, 23 June 2019 Getty Images/Morgan McMullenGetty Images Hello, redstarts, and welcome to another edition of This Week in Timothée Chalamet. Cady Drell, Marie Claire, 17 May 2019 Warblers and thrashers, hummingbirds and catbirds, redstarts and orioles, dozens of migratory species can be seen or heard on the narrow slip of land between Mobile Bay and the Gulf of Mexico. Ben Raines, AL.com, 20 Apr. 2018 Aristotle thought that the robins living in Greece in the winter somehow turned into redstarts in the summer. Carl Zimmer, New York Times, 5 Jan. 2017 In another account, a small black redstart reportedly landed in the reservoir and was struggling to stay above water. Fox News, 30 June 2017 See More Word History
Etymology
red + obsolete start handle, tail
First Known Use
1553, in the meaning defined at sense 1