TY - RPRT TI - Breeding populations of northern pintails have similar mitochondrial DNA AU - M. A. Cronin AU - J.B. Grand AU - Daniel Esler AU - D.V. Derksen AU - K.T. Scribner PY - 1996 DO - 10.1139/z96-112 UR - https://pubs.usgs.gov/publication/1012812 ID - 1012812 ER -