Cooperative Fish and Wildlife Research Units Program: Kansas
Education, Research and Technical Assistance for Managing Our Natural Resources

Haukos, D.A., M.R. Miller, D.L. Orthmeyer, J.Y. Takekawa, J.P. Fleskes, M.L. Casazza, W.M. Perry, and J.A. Moon. 2006. Spring migration of northern pintails from Texas and New Mexico, USA. Waterbirds 29:127-136.