Delaware Bay’s crabs contributing to dip in already threatened red knot population

Red Knot banding, New Jersey wildlife

IRINA ZHOROV / WHYY – Decades-long changes in the Delaware Bay region may be contributing to the declining numbers of a medium-sized  shorebird known to generations of Delawareans and New Jersey residents.

The red knot population that winters in Tierra del Fuego, Chile, fell to below 10,000 birds this year, according to results of an annual survey. That’s a huge drop from 2000, when scientists counted more than five times that number in Chile.

A type of sandpiper, red knots winter at the tip of South America, then fly more than 9,000 miles to the Arctic to breed. It has one of the longest migration routes in the animal kingdom …

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