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Complex female vocal behaviour of great and blue tits inside the nesting cavity

Complex female vocal behaviour of great and blue tits inside the nesting cavity Complex female vocal behaviour of great and blue tits inside the nesting cavity Leen Gorissen 1) & Marcel Eens (Department of Biology, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk, Belgium) (Accepted: 25 February 2005) Summary Up to now, little is known about female vocal behaviour and about vocal communication be- tween male and female songbirds in the northern temperate zone. However, raising a brood together requires successful communication between both members of a pair. By placing small microphones inside the nesting cavity of great and blue tits, we were able to record sev- eral novel female sounds that have not been described previously. These recordings also pro- vided evidence of vocal interactions between the female inside and the male outside the nest hole. Females produced on average 2.7 different vocalisation categories during each record- ing session, ranging from one to seven. With only one exception, all females used the same vocalisation type when vocally interacting with their mate. The acoustical properties of these sounds suggest that they are designed for short range communication and sonographic repre- sentation revealed remarkable similarities in the vocal signals of blue and great tit females. We discuss the possible functions and selection pressures shaping http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Complex female vocal behaviour of great and blue tits inside the nesting cavity

Gorissen, Leen; Eens, Marcel
Behaviour , Volume 142 (4): 18 – Jan 1, 2005
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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/1568539054012056
Publisher site
See Article on Publisher Site

Abstract

Complex female vocal behaviour of great and blue tits inside the nesting cavity Leen Gorissen 1) & Marcel Eens (Department of Biology, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk, Belgium) (Accepted: 25 February 2005) Summary Up to now, little is known about female vocal behaviour and about vocal communication be- tween male and female songbirds in the northern temperate zone. However, raising a brood together requires successful communication between both members of a pair. By placing small microphones inside the nesting cavity of great and blue tits, we were able to record sev- eral novel female sounds that have not been described previously. These recordings also pro- vided evidence of vocal interactions between the female inside and the male outside the nest hole. Females produced on average 2.7 different vocalisation categories during each record- ing session, ranging from one to seven. With only one exception, all females used the same vocalisation type when vocally interacting with their mate. The acoustical properties of these sounds suggest that they are designed for short range communication and sonographic repre- sentation revealed remarkable similarities in the vocal signals of blue and great tit females. We discuss the possible functions and selection pressures shaping

Journal

Behaviour – Brill

Published: Jan 1, 2005

Keywords: INTERACTIVE COMMUNICATION; FEMALE VOCALISATIONS; CLOSE RANGE COMMUNICATION; RECORDINGS INSIDE NEST BOX

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