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1 November 2002 LACK OF DISCRIMINATION OF CONSPECIFIC VOCALIZATIONS BY BLACK-CAPPED CHICKADEES: TESTS ON HAND-RAISED JUVENILES
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Abstract

We played conspecific and heterospecific vocalizations to juvenile, hand-raised Black-capped Chickadees (Poecile atricapilla) in the laboratory and monitored their behavior in tests of preferential response to conspecific vocalizations. The subjects did not respond differently to conspecific and heterospecific vocal stimuli in three playback tests. We conclude that there was no evidence of selective attention to conspecific vocalizations during early life in these individuals. We speculate that this may explain the general lack of success in obtaining evidence for imitation learning by laboratory-tutored individuals in this species.

Falta de Diferenciación de las Vocalizaciones Coespecíficas por Parte de Poecile atricapilla: Pruebas con Juveniles Criados a Mano

Resumen. Expusimos a juveniles Poecile atricapilla criados en el laboratorio a vocalizaciones coespecíficas y heteroespecíficas y seguimos su comportamiento mediante pruebas de respuesta preferente a vocalizaciones coespecíficas. Los sujetos no respondieron diferencialmente a los estímulos vocales coespecíficos ni heteroespecíficos durante tres pruebas con cantos pregrabados. Concluimos que no hay evidencia de atención selectiva a las vocalizaciones coespecíficas durante la vida joven de estos individuos. Especulamos que esto pueda explicar la falta de éxito en obtener evidencia de aprendizaje por imitación en individuos de esta especie.

David E. Gammon, Myron C. Baker, and Lisette Betancourt "LACK OF DISCRIMINATION OF CONSPECIFIC VOCALIZATIONS BY BLACK-CAPPED CHICKADEES: TESTS ON HAND-RAISED JUVENILES," The Condor 104(4), 854-858, (1 November 2002). https://doi.org/10.1650/0010-5422(2002)104[0854:LODOCV]2.0.CO;2
Received: 5 December 2001; Accepted: 1 June 2002; Published: 1 November 2002
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