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1 August 2013 Sexual and Individual Features in the Long-Range and Short-Range Calls of the White-Naped Crane
Eugenia Bragina, Irina Beme
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Abstract

Sex-related and individually unique vocal features have been demonstrated for many avian and mammalian species. Vocal identity may depend on a call's function and vary within the repertoire of a single species. Vocal features of different call types are very rarely compared in one species. We studied the potential for vocal recognition of sex and individual identity in four types of calls of the White-naped Crane (Grus vipio). We analyzed growls and contact calls (short-range communication) and flight-intention and guard calls (long-range communication). Sexual features were strongly expressed in flight-intention and guard calls; furthermore, the guard call allows reliable sexing of a bird. The sexual distinctiveness of short-range calls was less pronounced. We failed to find significant individual features in any call type. The potential for determining sex from vocalizations may be useful for the monitoring of this endangered species.

© 2013 by The Cooper Ornithological Society. All rights reserved. Please direct all requests for permission to photocopy or reproduce article content through the University of California Press's Rights and Permissions website, http://www.ucpressjournals.com/reprintInfo.asp.
Eugenia Bragina and Irina Beme "Sexual and Individual Features in the Long-Range and Short-Range Calls of the White-Naped Crane," The Condor 115(3), 501-507, (1 August 2013). https://doi.org/10.1525/cond.2013.110123
Received: 5 August 2011; Accepted: 1 December 2012; Published: 1 August 2013
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