Nest occupancy and reproductive success of the large breeding populations of bald eagles (Haliaeetus leucocephalus) within parks in the Southwest Alaska Network (SWAN), including Katmai National Park & Preserve (KATM), have been selected as a "vital sign" for monitoring as they are indicative of the health of both freshwater and marine ecosystems. Records of nesting activity were collected from 1974-1997 in KATM, but monitoring lapsed from 1998- 2010. In 2011, we reinitiated eagle surveys in KATM following a standardized sampling protocol with an initial double-count aerial survey in May to...