Horseshoe Crabs and Connection to Shorebirds

Carbon dioxide is not only causing global temperatures to increase, it causes the oceans to become more acidic. Lesson focuses on the blue king crab and the fragility of the habitat due to climate change. Scholars create a concept map...

If you've ever had an injection, the horseshoe crab protects you from infection! Young marine biologists discover how scientists use the unique physiology of the horseshoe crab in medicine with a thought-provoking video. The narrator...

This article addresses facts and information related to the Horseshoe Crab. In addition to general information, the article touches on conservation efforts and populations trends.

Resource is filled with lots of information presented in an easy to follow format. Illustrations are excellent.

This site gives an in-depth description of a daddy long legs, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

Interesting facts and figures about horseshoe crabs, including information about mating, reproduction, pictures, and a link to the University of Delaware's page on Horseshoe Crabs.

Students create a learning tool based on information given on the assigned website. In this ocean life instructional activity, students read about the horseshoe crab and develop a worksheet, scavenger hunt, board game or any tool to aid...

A documentary film about the horseshoe crab and its importance to a tiny shorebird known as the red knot bird. Human threats to the crab will directly threaten both the crab and the little bird who depends on it. Links to related topics...

A thorough, easy to read, review of research into the horsehoe crab.

This video segment from NOVA: "The Mystery of Animal Pathfinders" explores how the migratory patterns of shorebirds have evolved to coincide with the spawning of horseshoe crabs. [6:00]