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Bee-eaters and comfort behaviour

on 25th June 2008

Bee-eaters are known to spend up to 10% of daylight hours in comfort behaviour of some kind or other (above). These are mainly aimed at keeping their plumage in top condition.

During rest, these birds can usually be seen going through some of their stretching activities. A common posture is the raising of both forewings above the back with the wrists nearly touching (below left).

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The bird then stretches one wing at a time – downwards and backwards (above right). This spreads out the primary flight feathers and possibly air them. At the same time as it stretches a wing, it fans out the tail feathers, more towards the side of the stretching wing (below).

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Stretching activities are often accompanied by a bout of active preening.

These activities are believed to help prepare muscles and stimulate blood circulation for subsequent activities. They may also have something to do with feather maintenance.

When indulged with other birds of the same species, such comfort behaviour plays an important role in group social activity.

Johnny Wee, YC Wee & Dr WK Cheah
Singapore
June 2008

Images from top to bottom: Blue-throated Bee-eater (Merops viridis) by Dr Jonathan Cheah Weng Kwong, Blue-tailed Bee-eaters (Merops philippinus) by YC and Blue-throated Bee-eater by Johnny Wee.

Reference:
Fry, C.H. (2001). Family Meropidae (Bee-eaters). Pp. 286-341 in: del Hoyo, J., Elliott, A. & Sargatal, J. eds. (2001). Handbook of the birds of the world. Vol. 6. Mousebirds to Hornbills. Barcelona: Lynx Editions.

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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