TY  - RPRT
TI  - Migrational homing by a pair of mallards
AU  - T.J. Dwyer
AU  - S.R. Derrickson
AU  - D.S. Gilmer
PY  - 1973
DO  - 10.2307/4084181
UR  - https://pubs.usgs.gov/publication/1007663
ID  - 1007663
ER  -