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Breeding Territory Establishment in Forest Songbirds: Management and Conservation Implications

This study aims to develop quantitative methods to measure breeding territory size and boundaries in forest songbirds, investigating factors affecting territoriality, micro-habitat features, and breeding densities. Species richness of neotropical migrant songbirds and diversity isoclines are explored as well. Field observations and simulation models are utilized for vegetation mapping, territory mapping, and monitoring bird movement to inform forest management and conservation practices.

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Breeding Territory Establishment in Forest Songbirds: Management and Conservation Implications

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  1. Territory size and establishment in breeding forest songbirds: Implications for forest management and conservation Emily Silverman & Kimberly Hall

  2. Project objectives • Develop accurate quantitative methods to measure the size and boundaries of breeding territories • Investigate factors affecting the relationship between micro-habitat features, territoriality, and breeding densities

  3. Species richness of breeding neotropical migrant songbirds Isoclines of breeding neotropical migrant diversity Source: Price 1995 Source: Price et al. 1995

  4. Thinned hardwoods in the Hiawatha National Forest Lightly-browsed Heavily-browsed

  5. Understory vegetation Warbler use Yrs • 0 • 1 • 2 • 3 • 4 •  40% firs  1.5 m hgt

  6. Observations of singing males 1999 1300 m

  7. Methods • Simulation model of bird movement & sampling strategies • Territory mapping of 3 species with different patterns of micro-habitat use • Vegetation mapping and measurement • Observation of timing and location of spring arrivals

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