Tri-Counties Birder
AKA The Portland Naturalist
Some footage of these for your interest (Also a Spoonbill).
http://www.birdforum.tv/action/viewvideo/3733/Black_winged_Stilts____Euarsian_Spoonbill____Hants/
http://www.birdforum.tv/action/viewvideo/3733/Black_winged_Stilts____Euarsian_Spoonbill____Hants/