Unplanned product of a foster-parent program for endangered whooping cranes (Grus americana), a "whoopill" was sired out of a whooper out of a great Sandhill crane (Grus canadensis canadensis). Having failed to produce a single breeding female, biologists have abandoned their efforts to create a viable flock of whooping cranes, whose numbers in the wild have crept from 51 in 1973 to about 165 today. Many think that, rather than struggling to restore a creature so near extinction, efforts should be concentrated on species in the early stages of danger.

ESA001-00165

Unplanned product of a foster-parent program for endangered whooping cranes (Grus americana), a “whoopill” was sired out of a whooper out of a great Sandhill crane (Grus canadensis canadensis). Having failed to produce a single breeding female, biologists have abandoned their efforts to create a viable flock of whooping cranes, whose numbers in the wild have crept from 51 in 1973 to about 165 today. Many think that, rather than struggling to restore a creature so near extinction, efforts should be concentrated on species in the early stages of danger.

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Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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