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Print this page (pdf file) Each year when horseshoe crabs spawn on the beaches of
Delaware Bay, the second largest concentration of migrating
shorebirds in the Western Hemisphere descends on the beaches
for an annual feast. The Bay hosts the world's largest population
of spawning horseshoe crabs, and their eggs provide necessary sustenance
for the thousands of Red Knots, Sanderlings and Ruddy
Turnstones as they move from their winter grounds in South
America to their breeding grounds in the sub-arctic. Horseshoe
crabs are also an important food source for many species of fish
and the loggerhead sea turtle.
The Prime Hook National Wildlife Refuge encompasses 8,800
acres of freshwater wetlands and salt marshes and open water in
the Delaware Bay Estuary. The Prime Hook Refuge is a stop-over
spot for snow goose and numerous species of ducks and is home
to a the endangered Delmarva Fox Squirrel and the Virginia
White Tail Deer. Nesting bald eagles and migrating peregrine falcons
also receive sanctuary in the refuge. The Prime Hook Refuge
helps protect coastal habitat from escalating development in the
area. However, the refuge protects only a tiny percentage of the
vast horseshoe crab habitat that once spanned much of Delaware’s
lower bay coastline.
Sierra Club and other groups are working to protect the beachfront
immediately adjacent to The Prime Hook Refuge on
Delaware Bay, ideally by purchasing it. Acquisition of this beachfront
would assure spawning habitat for the horseshoe crab.
Find out more by contacting the Delaware Chapter at
delaware.sierraclub.org.

Delaware Chapter website
Photo: Horeshoe Crab, courtesy Dave Muhly; used with permission.
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