On Tecopa Marsh, American Avocet (Recurvirostra americana) pre-copulatory display , copulation, and post copulation dance .The female stands in rigid solicitation posture while the male preens , splashed water, and touches her on the back and under the chin with this recurved beak.
The slow motion replay of the copulation show the details of the male lifting the female's neck with his beak repeatedly, then one really big neck lift , then mounts. The pair finishes with a lovely dance.