The Birds: ESA-Listed Brown Pelicans Join Terns, Cormorants On Estuary’s East Sand Island

The good bird news this year is that a strategy to draw Caspian terns to newly created habitat outside of the Columbia River estuary appears to be working.

The bad news is that avian predators, particular in the estuary, are behaving in strange ways that pose new riddles for scientists to solve.

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