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Nesting of Whiskered Treeswift

on 25th August 2009

An earlier post describes the courtship and mating of a pair of Whiskered Treeswift (Hemiprocne comata). The nesting has also been described for the Grey-rumped Treeswift (Hemiprocne longipennis).

This post by Hong & Cheng a.k.a. catspace gives a clear view of the delicate nest of the Whiskered Treeswift. The photographs were taken in August 2009 from the Panti forest in nearby Malaysian state of Johor. The couple was fortunate to encounter the nesting on a low branch. Another pair was building their nest on a higher branch.

The nest is a half-saucer attached to the side of a slender twig (above right). Made from the birds’ saliva and strengthened with feathers, it is just big enough to hold a single egg. As the nest is small and light, the bird has to squat on the slender twig to incubate the egg. When the bird is incubating, the nest is not visible (above left).

All images by Hong & Cheng.

This post is a cooperative effort between NaturePixels.org and BESG to bring the study of bird behaviour through photography to a wider audience.

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.

Other posts by YC Wee

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