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Message: <blockquote data-quote="Bryon Wright" data-source="post: 3390310" data-attributes="member: 2304">bulbul, Thailandhi dave,Worth pursuing this because this species pair have  come up regularly on these forums. Also found a detailed distribution map online which shows streak-eared being absent from Krabi and Koh Lanta plus a huge bulge of corresponding hinterland. Still like Andy, suggest this is probably the default species for the coastal strip, in altered  habitat. Olive-winged in the original forested karsts adjacent the mangrove?Furthermore noticed an excellent Opus photo of  typical Borneo, olive winged, and a photo from near Krabi,  of a streak-eared but  labelled as a  olive-winged, on the same sheet?  Point of fact streak-eared is not on the Penang NP. list, but it is also  present here as well.The species pair are not difficult to separate if seen well. Still maintain in tropical light olive-winged often reflects yellowish- green on the wing edgings.  The deep, ruby  wine coloured eye of olive-winged is also subtly different in colour from even  red-eyed and spectacled. Possibly some of  the  typical calls are transposed/confused  in the guides as well?  Do both have that wittering dry raspy chuckle?</blockquote>