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Common Greenshanks’ aggressive behaviour

on 10th February 2013

William Ip is sharing his images of waders that he photographed in Nam San Wai, Hong Kong, somewhere near the Wetland Park sometime last year. Field ornithologist Wang Luan Keng thought the above pair of birds to be Spotted Redshanks (Tringa erythropus) and suggested that David Li of Singapore’s Sungei Buloh Wetland Reserve should be consulted as he is among the best in shorebird identification. Well, David confirmed Luan’s ID.

David also identified the Common Greenshank (Tringa nebularia) (above and below). According to William, “…only these two among the group were not tolerant to each other. They stared and challenged each other for a while before they fought, jumping on each other. The fight was short and the two of them separated within a couple of seconds. No injury was noticed.”

Most shorebirds get together peacefully to forage, especially when food is plentiful. However, as food becomes scarce, individuals begin to establish feeding territories. This usually happens among those that forage by means of visual techniques. And when conflicts happen, mandibular clashes are common LINK.

William Ip, Wang Luan Keng & David Li
Singapore
February 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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