NPSpecies

A casual spring migrant along the Colorado River. The four records are: one at RM 60.5 on 10 April 1998 (Lawrence E. Stevens), one at RM 205 on 19 Apr 2000 (Sue E. Ordway, Drifter Smith, Drew Thate), one in upper Marble Canyon on 13 May 1986 (F. Baucom, B. Kepner), and one at RM 212 on 28 June 1997 (Jerry Cox). The only record away from the Colorado River is an obscure reference in Phillips et al. (1964) to one seen in Cataract Canyon. Data source: Gatlin, BP. 2011. Annotated Checklist of the Birds of the Grand Canyon Region. 3rd edition.

(Buteogallus anthracinus) Common Black-Hawk is a casual spring migrant along the Colorado River. The four records are: one at RM 60.5 on 10 April 1998 (Lawrence E. Stevens), one at RM 205 on 19 Apr 2000 (Sue E. Ordway, Drifter Smith, Drew Thate), one in upper Marble Canyon on 13 May 1986 (F. Baucom, B. Kepner), and one at RM 212 on 28 June 1997 (Jerry Cox). The only record away from the Colorado River is an obscure reference in Phillips et al. (1964) to one seen in Cataract Canyon. Data source: Gatlin, BP. 2011. Annotated Checklist of the Birds of the Grand Canyon Region. 3rd edition.