A male indigo bunting (Passerina cyanea) and a female Say's pheobe (Sayornis saya) were taken at Salt Lake City, Utah, on 20 May 1966 and 2 February 1966, respectively. Both birds are the northernmost records for Utah in the season in which they were taken.
Worthen, Gary L.
"A record of an Indigo Bunting and a wintering Say's Phoebe for northern Utah,"
Great Basin Naturalist: Vol. 32
, Article 6.
Available at: http://scholarsarchive.byu.edu/gbn/vol32/iss4/6