I observed a pair, but was only able to get an image of the male; maybe next visit.
Best viewed in 'original' size.
NIKON 1 V3 with FT-1,AF-S VR Nikkor 70-200mm f2.8G TC-14E II 1.4x 1/400s f/5.6 at 756mm iso1100
UnCropped but with Reduced pixels for Internet Viewing
full exif