Jack Dykinga / Yellow-headed blackbird (Xanthocephalus xanthocephalus) flock flying over reed beds, Whitewater Draw Wildlife Preserve, Arizona, USA.
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Jack Dykinga / Two Sandhill cranes (Antigone canadensis) using dominance display and aggression to establish territory, Whitewater Draw Wildlife Preserve, Arizona, USA. Sequence 2.
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Jack Dykinga / Two Sandhill cranes (Antigone canadensis) using dominance display and aggression to establish territory, Whitewater Draw Wildlife Preserve, Arizona, USA. Sequence 1.
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Jack Dykinga / Yellow headed blackbird (Xanthocephalus xanthocephalus) gathered in murmurations to confuse predators. Whitewater Draw wildlife refuge, Arizona, USA.
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Jack Dykinga / Yellow headed blackbird (Xanthocephalus xanthocephalus) gathered in murmurations to confuse predators. Whitewater Draw wildlife refuge, Arizona, USA.
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Jack Dykinga / Yellow headed blackbird (Xanthocephalus xanthocephalus) gathered in murmurations to confuse predators. Whitewater Draw wildlife refuge, Arizona, USA.
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Jack Dykinga / Sandhill cranes (Grus canadensis) flock flying in front of the moon at dawn, Whitewater Draw Wildlife Area, Southeastern Arizona, USA. December.
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Jack Dykinga / Sandhill cranes (Grus canadensis) flying in front of moon at dawn. Whitewater Draw Wildlife Area, Southeastern Arizona, USA. December.
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Jack Dykinga / Sandhill cranes (Grus canadensis) flock flying, with full winter moon at dawn. Whitewater Draw Wildlife Area, Southeastern Arizona, USA. December.
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Jack Dykinga / Sandhill cranes (Grus canadensis) courtship rituals. Male on the left. Whitewater Draw Wildlife Area, Southeastern Arizona, USA. December.
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Jack Dykinga / Sandhill cranes (Grus canadensis) male displaying. Whitewater Draw Wildlife Area, Southeastern Arizona, USA. December.
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Jack Dykinga / Sandhill crane (Grus canadensis) flock during migration, Swisshelm Mountains in background. Whitewater Draw Wildlife Area, Arizona, USA. October.