Grey-rumped Treeswift at Bishan Park: 2. Brooding to Fledging

on 16th September 2015

Part 1 of this series on the nesting behavious of the Grey-rumped Treeswift (Hemiprocne longipennis) can be viewed HERE.

“The above-left shows the 2-day old chick in the nest alone on 7th June 2014. The two adults subsequently arrived and perched on the branch by the nest (above-right).

“Above-left shows the adult female feeding the chick while the adult male flew in later to feed the chick (above-right).

“The 6-day old chick is being fed by the adult female who just flew in (above-left) after which she left the chick alone (above-right)…

“…for the adult male to bring in the food (below-left). Two adult males with the 7-day old chick in the nest (above-left)…

“Adult female resting in the non-nesting tree nearby (above-left). The 10-day old chick is with the adult female (above-right).

“Adult male brooding the 10-day old chick (above-left). On the above-right is the adult female brooding the 12-day old chick.

“The adult male (#1) with the 12-day old chick (above-left). Another male (#2) with the 12-day old chick (above-right).

“The 13-day old chick alone in the nest (above-left). The 14-day old chick also alone in the nest (above-right).

“The 15-day old chick alone in the nest (above-left), until the adult male arrived (above-right).

“The adults had left the chick alone after 6 pm since 3 days ago, at times even after 7p pm. On this day (20th June) a Black-naped Oriole (Oriolus chinensis) approached the nest. The adult male treeswifts immediately flew in and stood beside the chick (above-right). The oriole flew off and the treeswift returned to the non-nesting tree. Obviously an adult was keeping a close watch of the chick from a distance most of the time.

“Above-left shows the 15-day old chick alone after the oriole was chased away. Below-right shows the 16-day old chick.

“The 18-day old chick in the next (above-left). The 21-day old chick is shown above-right.

“The 22-day old chick (above-left) and the 23-day old chick testing its wings prior to fledging (above-right).

“The 25-day old chick being fed by an adult (above-left) and exercising its wings (above-right).

“The 26-day old chick in its typical pose, sitting upright with its bill directed upwards (above-left). An adult flying ?off the nest leaving the 27-day old chick behind.

“A larger 28-day old chick sitting upright in its nest (above-left). On the above-right is the 30-day old chick still exercising its wings.

“Time to fledge. A male adult perched on a branch nearby, encouraging the 31-day old chick to take its first flight.

“Finally at 32-day old, the Grey-rumped Treeswift chick took the plunge and fledged on 7th July 2014 (below).

Related posts: HERE and HERE.

Ling Kwee Chang
August 2015

This post is a cooperative effort between Birds, Insects N Creatures Of Asia and BESG to bring the study of birds and their behavior through photography and videography 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

One Response

Leave a Reply

Your email address will not be published. Required fields are marked *


Overall visits (since 2005)

Clustrmaps (since 2016)