Zoom in on the serpentine locomotion of the limbless, amphibious caecilian over soil
Caecilian moving over soil.
Encyclopædia Britannica, Inc.
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Encyclopædia Britannica, Inc.Learn about the difference between prokaryotes and eukaryotes.
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Contunico © ZDF Studios GmbH, MainzOverview of savory.
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© MinuteEarth (A Britannica Publishing Partner)The role of the Rocky Mountain locust (Melanoplus spretus) in the Grasshopper Plague of 1874–75 (which is also known as the Great North American Locust Plague), and the insect's mysterious disappearance that followed.
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Encyclopædia Britannica, Inc.The red salamander belongs to a family of lungless salamanders that breathe only through their moist skin.
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Encyclopædia Britannica, Inc.Axolotls are kind of the Peter Pan of salamanders.Media Editor: Lauren Sims
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Encyclopædia Britannica, Inc.A leopard frog (Rana pipiens) eating an earthworm.
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Encyclopædia Britannica, Inc.The bullfrog (Lithobates catesbeianus) is a strong jumper common in many parts of North America.