Endangered sparrows are facing extinction with future sea-level rise

Saltmarsh Sparrow, Cape May

CHRISSY SEXTON / EARTH.COM – A new study from the Oxford University Press is warning that some species of sparrows will vanish before the end of this century, as their natural habitats are wiped out. The seaside and saltmarsh sparrows both depend almost entirely on coastal salt marshes, yet their projected responses to climate change were found to be different.

Salt marshes cover only about 30,000 square miles worldwide, with one-third of them located along the coast of North America. Overall, 15 of the 25 species of sparrows that are limited to tidal wetlands are found solely on the Atlantic and Gulf coasts of the United States. These groups are particularly threatened by changing climatic conditions and other threats to salt marsh ecosystems …

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