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Spiders Spin Webs… With A Twist!

February 5, 2026
This episode’s a spider special! Discover spiders that build decoys to deter predators, and a giant web found in a cave in Europe.
  • spider
  • adaptation
  • predator

Teaching Overview

Learning Points

  • Trashline orbweaver spiders place bits of debris on their web, which can help them hide from predators.
  • Some species arrange the debris into the shape of a larger spider, and shake the decoy to make it more realistic.
  • Elsewhere, a giant web was discovered in a cave on the Greece-Albania border, home to an estimated 110,000 spiders from two different species.

Curriculum Keywords

  • spider
  • adaptation
  • predator

Spark a Discussion

  • How did trashline orbweavers get their name?
  • What was different about the trashline orbweavers studied in Peru and the Philippines?
  • What was unusual about the giant spider web found in a cave on the Greece-Albania border?

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