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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 30, No. 1, 2009, pp. 91-98
Bioline Code: zr09016
Full paper language: Chinese
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 30, No. 1, 2009, pp. 91-98

 en Postnatal Development of Morphological Features and Vocalization of Rhinolophus pusillus check for this species in other resources
Wei, Li; Ru, Bing-hua; Zhou, Ying-ying; Shao, Wei-wei; Zhang, Li-biao; Hong, Tiyu; Zhou, Shan-yi & Ma, Jie


Postnatal developments of morphological features (forearm and body mass) and vocalization (call frequencies and durations) of Rhinolophus pusillus check for this species in other resources were studied in the Jishui Cave of Guilin City from May 31st to July 20th 2006. The morphological changes indicated that infants of R. pusillus grew significantly in the postnatal three weeks and then gradually slowed down. Both forearm length and body weight were significantly correlated with the growing of age. Durations of infants’ calls were fairly variable and longer than those of adults. No significant correlation was found between the duration and age. Spectral characteristics indicated that the calls produced by infants had rather variable spectrums, unstable frequencies, and multiple harmonics in the first 20 days after birth. Infants over three weeks old mostly emitted FM-CF-FM type calls. Frequencies of first harmonics were significantly correlated with their age but the second harmonics did not correlate with age. The call frequencies of the young five-week-old bats were similar with their adults. The call frequency had a significant linear correlation with forearm length. Our findings indicated that the high flexible vocal cord and undeveloped nasal chamber might affect the vocalization veracity of new born infants.

Rhinolophus pusillus; Morphological feature; Vocalization; Postnatal Development

© Copyright 2009 Kunming Institute of Zoology, the Chinese Academy of Sciences
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