Leucosticte atrata
Black Rosy-Finches are medium sized finches with black-brown breasts and backs, have a gray band on their heads and their belly, rump and wing patches are pink. Females look similar but are not as pink.
Bouquet of Black Rosy-Finches at Capitol Reef National Park
One of the biggest surprises for me on my recent trip to southern Utah was coming across a "bouquet" of 500 or more Black Rosy-Finches that were foraging along the side of Utah State Highway 24.