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 Date: 2007-02-07 12:37:49Empidonax Willow flycatcher American redstart Bird migration Territory Yellow-bellied flycatcher |
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| First Page | Document Content | |
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Date: 2007-02-07 12:37:49Empidonax Willow flycatcher American redstart Bird migration Territory Yellow-bellied flycatcher |
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The Condor 108:558–570 # The Cooper Ornithological Society 2006 TERRITORIALITY, SITE FIDELITY, AND SURVIVORSHIP OF WILLOW FLYCATCHERS WINTERING IN COSTA RICA THOMAS J. KORONKIEWICZ1, MARK K. SOGGE, CHARLES VAN RIPER II