Survival of Adult Female Northern Pintails in Sacramento Valley, California

Figures

Figure 1: Map of California showing wintering regions of northern pintails
Figure 1.  Major waterfowl wintering regions within California used by adult female northern pintails radiotagged in the Sacramento Valley, California, and monitored 25 August-28 February 1987-90. Delta refers to the Sacramento-San Joaquin River Delta, NWR is national wildlife refuge, and SWA is state wildlife area.

 

Figure 2: Line graph showing Kaplan-Meier survival distribution
Figure 2.  Kaplan-Meier survival distribution of wintering adult female northern pintails radiotagged in Sacramento Valley, California, and monitored 25 August-28 February 1987-90.