Dr. Fitzpatrick is director of the Cornell Laboratory of Ornithology. Dr. Senner is a scientist who studies migratory shorebirds.

 

A worldwide catastrophe is underway among an extraordinary group of birds — the marathon migrants we know as shorebirds. Numbers of some species are falling so quickly that many biologists fear an imminent planet-wide wave of extinctions.

These declines represent the No. 1 conservation crisis facing birds in the world today. Climate change, coastal development, the destruction of wetlands and hunting are all culprits. And because these birds depend for their survival, as we do, on the shorelines of oceans, estuaries, rivers, lakes, lagoons and marshes, their declines point to a systemic crisis that demands our attention, for our own good.

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