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The Physiological Ecology Of Seasonal Interactions: How Do Wintering Ground Events Constrain Breeding Success In Neotropical Migrants?, Rebecca L. Holberton
The Physiological Ecology Of Seasonal Interactions: How Do Wintering Ground Events Constrain Breeding Success In Neotropical Migrants?, Rebecca L. Holberton
University of Maine Office of Research Administration: Grant Reports
Migratory birds breed throughout the temperate regions of North America but winter in very different habitats further south. Although 1000 km or more may separate wintering from breeding areas, recent research has revealed that ecological conditions during winter can influence subsequent reproductive success. The major objective of this research is to investigate the underlying physiological factors linking winter events with an individual's ability to breed. The American redstart (Setophaga ruticilla) is an excellent study animal: its ecology and behavior during the wintering and breeding periods have been intensively studied. The degree to which redstarts prepare for breeding, and …