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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Roosting Territory of White Ear-Lobed Red Jungle Fowl (Gallus gallus gallus)
Author(s)
Sawai Wanghongsa1, Hideki Endo2 and Yoshihiro Hayashi3,4
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DOI:10.17265/1934-7391/2018.02.001
Affiliation(s)
1. National Parks, Wildlife and Plants Conservation Department, Bangkok 10900, Thailand
2. The University Museum, The University of Tokyo, Bunkyo, Tokyo 113-8654, Japan
3. Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo, Tokyo 113-8654, Japan
4. Yamashina Institute for Ornithology, Abiko, Chiba 270-1145, Japan
ABSTRACT
RJF (red jungle fowl) (Gallus gallus
gallus) is territorial birds. Only
males advertise and defend territory by means of crows and combat fighting in
severe cases. Crows are testosterone dependent and use up to 4-5% of their
basal metabolic rate. Crows are individual voice signatures which differ in
tone, duration and vibration. Crows together with radio-telemetry were used
here to locate night roosts of dominant males. Between 2005 and 2009, 10
despots were intensively monitored. Outermost locations of individual’s roosts
were connected to form territory and a distance of 50 m was buffered to individual’s territory to yield home range. Data
indicated strong site fidelity of dominant males. The longest territory tenure
was 31 months. The life time territory of males was on average 10.24 ha (± 1.73 SE) and a home range was 17.59 ha (± 2.15 SE). Average yearly
territory varied between 5.48 and 10.88 ha per individual and
rarely overlapped. Some roosts were used repeatedly at the same point. In the
night, RJF was relatively safe and
difficult to approach both vertically and horizontally. Roost site selections
were thus a trade-off between security and territory proclamation.
KEYWORDS
RJF, Gallus gallus gallus, territory, home range, crow, Khao Ang Rue Nai.
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