“On 22nd April 2015, a young Black-naped Oriole (Oriolus chinensis) was perched high up on a fig tree and preening itself at a leisurely pace (above).
“Towards the end of the preening session, its wings and tail feathers were given a good stretch (abpve).
“A video clip of this feather maintenance activity may be previewed here:”
Dr. Leong Tzi Ming
17th December 2015
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