Sandhill Crane (Grus canadensis): These elegant dancing birds mate for life, share parenting duties, sing together... and are mesmerizing to watch move their way through a field on a warm summer day. The International Crane Foundation has great information including recordings of the Sandhill Crane's vocalizations ( contact, unison, and guard calls), as well as a free photo gallery where you can download images of these wonderful creatures. If you would like to see a video of their dancing, there is a great one here, and some lovely footage of a migrating flock here.
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