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Grey-rumped Treeswift – foraging and nesting

on 8th March 2022

Four to five Grey-rumped Treeswifts (Hemiprocne longipennis harterti) were seen foraging in the morning sky together. This was on 28th February 2019, above the previously logged forest with secondary growth and some residual primary forest at the Ulu Kinta Forest Reserve, Ipoh, Perak, Malaysia.

Grey-rumped Treeswift high above the ground.

On the ground below, this time on 8th August 2019 and along a trail through the Kledang-Sayong Forest Reserve, also in Ipoh, Perak, Malaysia, I saw this Grey-rumped Treeswift nesting high up on bare branch (~12-14 meters up) with good all round views for the bird.

Grey-rumped Treeswift nesting high up in the tree.

A pair of Whiskered Treeswift (Hemiprocne comata comate) were also using this tree as a foraging perch with no conflict. There was limited access to get good images and an edited series of video using the Nikon P900 is here: https://youtu.be/LYSOmfl5A_A  The long zoom on the P900 meant the bird could be observed from quite some distance, limiting disturbance. The female was incubating a single white egg throughout my intermittent observation period. She frequently looked around for threats. At 3.30 minutes into the edited video you can see her checking the egg and ‘rolling’ (turning) it over.

 

Amar-Singh HSS (Dato’ Dr) – Ipoh, Perak, Malaysia

Equipment: Equipment: Nikon D500 SLR with Nikon AF-S Nikkor 500mm f/5.6E PF ED VR, handheld with Rode VideoMic Pro Plus Shotgun Microphone

 

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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