Fig. 3From: Siberian flying squirrels do not anticipate future resource abundanceYearly variation in proportion of observed summer litters of flying squirrels in two study areas in western Finland and a alder pollen (proxy for catkin production) and b birch catkins in winter/spring preceding reproduction. c Rain in early winter preceding reproduction. Alder, birch and rain scaled to values between 0 and 1. Missing data for Luoto for years 2007 and 2008Back to article page