The Thorny Devil's Skin Channels Water Directly to Its Mouth
The thorny devil channels water from any surface through microscopic skin gaps directly to its mouth. The physics of passive water transport in a desert lizard.
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Reptiles & Amphibians
Articles about reptiles & amphibians on Animal Secrets — surprising biology, behavior, and natural-history facts.
The Glass Frog's Transparent Underside: Where the Red Blood Cells Go When It Sleeps
Glass frogs park 89% of red blood cells in the liver when resting, making their blood nearly clear. How active transparency works in a vertebrate.
The Komodo Dragon: How the World's Largest Lizard Actually Kills
The Komodo dragon was long thought to kill with bacteria. Research published in 2009 confirmed it has venom glands producing anticoagulant compounds.
Axolotl Regeneration: How One Salamander Regrows Its Brain, Heart, and Limbs
Axolotls regenerate entire limbs, spinal cord, brain tissue, and heart muscle — without scarring. What biologists understand about how they do it.