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U.S. Fish and Wildlife Service policy directs refuges to use the best available science to conserve wildlife and their habitats, including methods for monitoring fish and wildlife populations. Aransas National Wildlife Refuge is doing this by applying the best science available to not only estimate how many whooping cranes are on the wintering grounds, but to also better understand the habitats they prefer.
Blue crabs are an important food source for over-wintering whooping cranes at Aransas National Wildlife Refuge. Understanding the relationship between whooping cranes and blue crabs is important.
Whooping cranes depend on wolfberry early in the winter as a food source to regain energy after their long journey to the refuge for the winter. It is important for refuge managers to understand the impact of drought on berry production.
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The Matagorda Island Unit of the Aransas National Wildlife Refuge is part of long chain of barrier islands that extend down the Texas coastline. This rugged landscape is host or home to many amazing wildlife species, including whooping cranes, Kemp's Ridley sea turtles, reddish egrets, alligators and coyotes.
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