References
Chernetsov N, Kishkinev D, Mouritsen H (2008) A long-distance avian migrant compensates for longitudinal displacement during spring migration. Curr Biol 18:188–190
Emlen ST, Emlen JT (1966) A technique for recording migratory orientation of captive birds. Auk 83:361–367
Mouritsen H, Larsen ON (1998) Migrating young Pied flycatchers do not compensate for geographical displacements. J Exp Biol 201:2927–2934
Mouritsen H, Ritz T (2005) Magnetoreception and it use in bird navigation. Curr Opin Neurobiol 15:406–414
Muheim R, Phillips JB, Åkesson S (2006) Polarized light cues underlie compass calibration in migratory songbirds. Science 313:837–839
Rabøl J (1979) Magnetic orientation in night-migrating passerines. Ornis Scand 10:69–75
Ritz T, Thalau P, Phillips JB, Wiltschko R, Wiltschko W (2004) Resonance effects indicate radical pair mechanism for avian magnetic compass. Nature 429:177–180
Sandberg R, Moore FR, Bäckman J, Löhmus M (2002) Orientation of nocturnally migrating Swainson’s thrush at dawn and dusk: importance of energetic condition and geomagnetic cues. Auk 119:201
Wiltschko R, Wiltschko W (2003) Avian navigation: from historical to modern concepts. Anim Behav 65:257–272
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Communicated by F. Bairlein.
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Mouritsen, H., Feenders, G., Hegemann, A. et al. Thermal paper can replace typewriter correction paper in Emlen funnels. J Ornithol 150, 713–715 (2009). https://doi.org/10.1007/s10336-009-0421-3
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DOI: https://doi.org/10.1007/s10336-009-0421-3