Surakan Payakkhabut
Vocal Communication in Sootyheaded Bulbul; Pycnonotus aurigaster
140 - 145
2012
6
4
International Journal of Bioengineering and Life Sciences
https://publications.waset.org/pdf/2696
https://publications.waset.org/vol/64
World Academy of Science, Engineering and Technology
Studies of vocal communication in Sootyheaded
Bulbul were carried out from January to December 2011. Vocal
recordings and behavioral observations were made in their natural
habitats at some localities of Lampang, Thailand. After editing, cuts
of high quality recordings were analyzed with the help of Avisoft
SASLab Pro (version 4.40) software. More than one thousand
element repertoires in five groups were found within two vocal
structures. The two structures were short sounds with single element
and phrases composed of elements, the frequency ranged from 110
kHz. Most phrases were composed of 2 to 5 elements that were often
dissimilar in structure, however, these phrases were not as complex
as song phrases. The elements and phrases were combined to form
many patterns. The species used ten types of calls; i.e. alert, alarm,
aggressive, begging, contact, courtship, distress, exciting, flying and
invitation. Alert and contact calls were used more frequently than
other calls. Aggressive, alarm and distress calls could be used for
interspecific communication among some other bird species in the
same habitats.
Open Science Index 64, 2012