TY  - RPRT
TI  - Hummingbirds of North America
AU  - Mary Gustafson
PY  - 2005
DO  - 10.1676/0043-5643(2005)117[0325:br]2.0.co;2
UR  - https://pubs.usgs.gov/publication/5224780
ID  - 5224780
ER  -