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Authors: Erik I. Johnson
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Concentration of a widespread breeding population in a few critically important nonbreeding areas: Migratory connectivity in the Prothonotary Warbler Free

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Christopher M Tonra and others
The Condor, Volume 121, Issue 2, 1 May 2019, duz019, https://doi.org/10.1093/condor/duz019
Published: 19 June 2019
Journal Article

Timing of Migration and Patterns of Winter Settlement by Henslow's Sparrows Free

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Erik I. Johnson and others
The Condor, Volume 111, Issue 4, 1 November 2009, Pages 730–739, https://doi.org/10.1525/cond.2009.080025
Published: 01 November 2009
Journal Article

Seed Preferences of Wintering Henslow's Sparrows Free

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Jennifer K. Dimiceli and others
The Condor, Volume 109, Issue 3, 1 August 2007, Pages 595–604, https://doi.org/10.1093/condor/109.3.595
Published: 01 August 2007