Cooke, Fred2013-03-072013-03-0707/03/2013http://hdl.handle.net/10315/20793Graph showing the decline in adult survival over time. Males and Females compared.http://creativecommons.org/licenses/by-nc-nd/2.5/ca/Fred CookeLesserSnowGeeseGooseManitobaChurchillMalesFemalesSurvivalRateFredCookeAdultPhotograph