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Smithsonian Institution

Smithsonian National Zoo: Zoogoer Magazine: Crabs in the Crossfire

For Students 9th - 10th
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.
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PBS

Pbs: Nature: Crash: A Tale of Two Species

For Students 9th - 10th
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...
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PBS

Pbs Learning Media: Marathon Migrators

For Students 9th - 10th
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]
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Biology 4 kids

Biology4 Kids: Spiders and Scorpions More Arthropods

For Students 3rd - 8th
Spiders, scorpions, and horseshoe crabs are featured as arthropods.

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