Reuse of Nesting and Nursery Areas by Common Loons

Abstract
We monitored yearly locations of nesting and nursery areas in 45 common loon (Gavia immer) territories on 2 lakes in Maine and 3 in New Hamphsire between 1974 and 1984. Reuse of nesting areas on individual lakes over the entire study period was 78-88%. Nest reuse was not strongly related to the outcome of nesting attempts. Year-to-year spatial overlap of nurseries in individual territories was 57-86%. High year-to-year reuse suggests that protection of known nesting and nursery areas is an appropriate strategy for management of reproductive habitats for common loons.

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