Jamaica Bay Wildlife Refuge Reports Surge in Horseshoe Crab Sightings

By Marcus Vance, Environment & Wildlife Reporter | February 24, 2026 | Environment

NEW YORK — National Park Service biologists confirmed Monday that Jamaica Bay wildlife monitors have recorded a thirty percent increase in horseshoe crab nesting activity along the sandy shores of the refuge this season. The sudden population surge has drawn researchers from across the northeast to study the ancient creatures.

Volunteers with the Jamaica Bay Ecowatchers began counting the prehistoric arthropods along the shoreline adjacent to Cross Bay Boulevard last week. The annual migration brings thousands of these creatures to the local beaches to lay their eggs during the high tides of the new moon.

Conservation Teams Monitor Ancient Shoreline Migrations

Project Coordinator Elizabeth Hamby led a group of fifteen student researchers who tagged more than three hundred crabs during the midnight tide cycle. The tagging program helps scientists track the movements and health of the population over several years.

"The sheer volume of nesting crabs this year is highly encouraging," Hamby said Tuesday morning while examining a tagged specimen. "It indicates that our efforts to protect the delicate shoreline habitats are beginning to yield measurable results."

Broad Channel Volunteers Lead Habitat Restoration Efforts

Local residents have spent the last three seasons clearing marine debris and plastic waste from the nesting grounds. These efforts have restored critical spawning areas that had been degraded by winter storms and highway runoff.

These local cleanups are part of a broader effort to protect the surrounding wetlands from environmental degradation. Volunteers often coordinate with teams focused on broader community safety, such as those monitoring the area after the Little Bay Park fatal stabbing prompts major NYPD homicide investigation raised safety concerns across regional waterfront parks.

Scientific Value of the Prehistoric Horseshoe Crab Population

Horseshoe crabs have remained largely unchanged for over four hundred million years, surviving multiple mass extinction events. Their unique blue blood contains a clotting agent that is vital for testing the purity of human vaccines and medical equipment.

Researchers are working to balance the scientific harvesting of the crabs with the ecological needs of the bay. The eggs laid by the crabs serve as a primary food source for migrating shorebirds, including the endangered red knot.

Ecological Balance in the South Queens Estuary

Local schools have integrated the crab migration into their science curricula, bringing dozens of children to the waterfront to observe the nesting process. Educators emphasize the connection between healthy shorelines and the overall quality of life in Queens.

Preserving these species is a high priority for local nature groups. The Queens Daily Eagle has extensively documented the intersection of urban development and wildlife preservation along the boulevard, highlighting the community's role in stewardship.

Frequently Asked Questions

Why are horseshoe crabs migrating to Jamaica Bay beaches?

Horseshoe crabs migrate to shallow bay waters every spring to spawn along the sandy shorelines during high tides. The calm, protected waters of Jamaica Bay provide an ideal environment for laying eggs. These eggs are laid in the sand, where they incubate before hatching into juvenile crabs.

What should residents do if they find a horseshoe crab stuck upside down?

If a visitor finds a horseshoe crab flipped on its back, they should gently flip it over using the sides of its hard shell, never by its tail. The tail is delicate and used for steering and navigation. Returning the crab to its upright position helps protect it from predators and dehydration under the sun.