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Asian Koel – Aggression or Duetting?

on 4th June 2013

“Two or more Asian Koels (Eudynamys scolopacea) in apparent confrontation is a scene commonly seen or heard in locations where there are House Crows (Corvus splendens) and Asian Koels. These usually happen in the early mornings or evenings. Their antics has been recorded by YC LINK, Lena Chow LINK and Kwong Wai Chong LINK.

“In the area around my condominium, the behaviour is also frequently heard but more difficult to observe because the actions take place high up in the tree canopy most of the time.

“On the morning of 11th April 2013, for the first time, I had an almost perfect view of a pair of males in the act. They were in a grafted Michelia champaca (now reclassified as Magnolia champaca, if I am not wrong) outside my condo at a height of about 10 feet. Their movements and vocalisation had already been very well described before. The only minor detail for me to add is that the birds, after a flick of the tail and slight spread of the tail feathers, will then relax to droop them gently before the next flick (above).

“Another video (above), actually recorded before the above, shows more of the same but with much less vocalisation and more posturing (above).

“From the two videos and past observations, I believe between males this is an act of bantering maybe combined with duetting.”

Sun Chong Hong
Singapore
20th May 2013

If you like this post please tap on the Like button at the left bottom of page. Any views and opinions expressed in this article are solely those of the authors/contributors, and are not endorsed by the Lee Kong Chian Natural History Museum (LKCNHM, NUS) or its affiliated institutions. Readers are encouraged to use their discretion before making any decisions or judgements based on the information presented.

YC Wee

Dr Wee played a significant role as a green advocate in Singapore through his extensive involvement in various organizations and committees: as Secretary and Chairman for the Malayan Nature Society (Singapore Branch), and with the Nature Society (Singapore) as founding President (1978-1995). He has also served in the Nature Reserve Board (1987-1989), Nature Reserves Committee (1990-1996), National Council on the Environment/Singapore Environment Council (1992-1996), Work-Group on Nature Conservation (1992) and Inter-Varsity Council on the Environment (1995-1997). He is Patron of the Singapore Gardening Society and was appointed Honorary Museum Associate of the Lee Kong Chian Natural History Museum (LKCNHM) in 2012. In 2005, Dr Wee started the Bird Ecology Study Group. With more than 6,000 entries, the website has become a valuable resource consulted by students, birdwatchers and researchers locally and internationally. The views and opinions expressed in this article are his own, and do not represent those of LKCNHM, the National University of Singapore or its affiliated institutions.

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