Several sea turtle species visit New Jersey waters, giving Jersey Shore beachgoers a glimpse of wildlife that travels far beyond the summer crowds.

Warm ocean conditions draw turtles north to feed during summer and early fall, while bays and tidal waters can provide foraging habitat for juveniles.

Knowing what sets these visitors apart makes sea turtle identification more than a beachside guessing game.

The loggerhead is the turtle most likely to be seen near the shore, with a large head, powerful jaws and reddish-brown shell.

It feeds on hard-shelled animals, including crabs and mollusks, in coastal waters.

Kemp’s ridley turtles are smaller, with rounded, grayish shells, and young turtles may forage in the region’s bays.

Rare green turtles have comparatively small heads and smoother-looking shells; despite their name, their shells are not necessarily green.

The enormous leatherback looks different again, with long front flippers and a dark, flexible shell marked by lengthwise ridges.

Leatherbacks generally roam farther offshore, where they pursue jellyfish and other soft-bodied prey.

These sightings are part of sea turtle migration, not a sign that New Jersey beaches are regular nesting grounds.

As coastal waters cool, turtles must move toward more suitable conditions.

That seasonal shift can become dangerous when a sudden drop in temperature catches a turtle in shallow water.

A cold-stunned turtle may appear sluggish, unresponsive or stranded, particularly in autumn.

For anyone walking a quiet beach after a cold snap, that motionless shape near the tide line deserves attention.

Keep people and pets back, and promptly contact an authorized New Jersey sea turtle rescue team for instructions.

Do not assume the animal is dead, push it back into the water or attempt to warm it yourself.

Boat strikes, discarded fishing gear and plastic debris pose additional risks to turtles feeding along the coast.

Giving a turtle space and reporting one in trouble are practical ways residents can help protect these seasonal visitors.