I came across these Red Billed Gulls on Waiheke Island, New Zealand.

They were very vocal and would take on these wierd poses whenever another gull approached overhead. I am not sure what all this behavior meant, but it sure was fun to watch!

Image was taken with a Nikon D80 and AF-S DX VR Zoom-NIKKOR 18-200mm f/3.5-5.6G IF-ED lens.