Worm lizards, or amphisbaenians, are a group of typically limbless, burrowing reptiles resembling worms that include a number of extinct and living species. "This is large for amphisbaenian ...
If they get too hot, horned lizards can burrow into dirt. They vibrate their heads, using the scales on their lower jaw to cut through the soil. Their round shape also helps with burrowing ...
“Interestingly, we found that jaw shape evolves particularly fast in ecologically specialised groups, such as in burrowing and aquatic species, and in herbivorous lizards, suggesting that ...