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Did You Know?

Sea Lions
Did you know that sea lions can learn over 100 hand signals?

Jonathan and Zach-of-all-trades head to Cozumel Mexico, in search of one of the rarest (and most striking) fish in the Caribbean!

The Blind Cavefish
Webisode 56

Marine Biology
Webisode 86

Red Sea Night Dive
Webisode 124

Latest Webisode

In this biology Blue World, Jonathan examines the phylum Cnidaria, a group of animals containing the jellyfish, anemones,...

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Study Guides

Using Jonathan Bird's Blue World in the classroom is easy with materials for educators.