Arrived at dusk on 29-31st October,2009. I think Pacific because of the long tertials, the tibia:tarsal ratio and the bill length which when which when subtended backwards arrives behind the eye. I think Lesser because of the small size. I have sent pictures to illustrate all 3 points. I have seen what I think was the same bird in October in all years from 2005-9 with the exception of 2007. I have photos from all 4 years.
Cannon Ixus compact digital with Nikon 82 HD telescope, hand held. stop -1 on digital zoom. Taken in failing light.