Hi Dr Seow,
I shot this in Pulau Ubin during a butterfly survey, Which swift is this?
Thanks in Advance!20180421-UFO01-PU.jpg
Hi Dr Seow,
I shot this in Pulau Ubin during a butterfly survey, Which swift is this?
Thanks in Advance!20180421-UFO01-PU.jpg
Last edited by Chestnut Bob; 23-Apr-2018 at 06:53 AM.
Bob Cheong