TY  - RPRT
TI  - Territorial behavior, pesticides, and the population ecology of red-shouldered hawks in central Maryland, 1943-1971
AU  - Charles J. Henny
AU  - F. C. Schmid
AU  - Elwood M. Martin
AU  - L. L. Hood
PY  - 1973
DO  - 10.2307/1935339
UR  - https://pubs.usgs.gov/publication/5221226
ID  - 5221226
ER  -