TY  - RPRT
TI  - El Grupo Cerúleo: Collaboration to assess nonbreeding range of cerulean warbler in South America
AU  - G. Colorado
AU  - P. Hamel
AU  - A. Rodewald
AU  - W. Thogmartin
PY  - 2008
UR  - https://pubs.usgs.gov/publication/70009741
ID  - 70009741
ER  -