There are 12 recognized subspecies of the Roadside Hawk (Buteo magnirostris).
The one occurring in Colombia is Buteo magnirostris magnirostris.

1st photo: Apía area, Risaraldas, Colombia, 30 June 2015
2nd photo: El Km 18 Road, Cali area, Valle del Cauca, Colombia, 12 June 2016
3rd & 4th photo: Dapa area, Valle del Cauca, Colombia, 11 June 2016