This is SeaTalk: Ocean News from the University of Delaware.

Delaware’s sandy shores will soon be covered by hundreds of thousands of horseshoe crabs. These ancient creatures emerge from the water in May and June each year to spawn. The spring migration of red knots and many other shorebird species coincides with the horseshoe crab spawning season. The weary birds stop to feast on the nutritious horseshoe crab eggs.

Even if you can’t witness these amazing displays of nature in person, you can still learn about them by ordering a free set of bookmarks from Delaware Sea Grant. The bookmarks feature beautiful, full-color images on the front and interesting information on the back. Visit deseagrant.org for details.

This is SeaTalk, a public service announcement from the University of Delaware, the Delaware Sea Grant College Program, and this station.