There is a heightened alert as the great sandhill crane migration begins. An estimated million cranes will converge on central Nebraska as they make their annual trek north to nest for the summer.

More than 1,500 iconic sandhill cranes have been killed by bird flu in Indiana, officials say, the latest development in the spread of the highly infectious respiratory illness. Volunteers in masks ...

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Sandhill cranes are the latest victims of a particularly persistent strain of avian influenza, killing at least 1,500 of the migrating birds in recent weeks, according to a biologist with the Indiana ...