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Sandhill Crane Vocalizations Courtesy of Internation Crane Foundation Contact Call Contact calls are low pitched and soft calls that allow the birds to keep in contact with each other even if they can't see each other in the deep grass or reeds. |
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Unison Call
Unison calls are produced by a pair of birds. This call, performed with the birds standing close to each other and in a synchronized duet, is a way of reinforcing the pair bond between a female and a male bird. It may also be used by a pair to threaten predators or other cranes. |
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Guard Call Guard Calls are single loud vocalizations used to warn other cranes of danger or to threaten other cranes. These calls are sometimes echoed by the other member of the pair. You can hear this "echoing" in this sample audio clip. |