A frilled dragon may not appear especially large at first, but this reptile quickly changes the impression by opening its mouth and spreading the broad frill around its neck. The caretaker compares ...

The frills are a warning for predators. Frilled-neck lizards frill their necks for a few different reasons, primarily for defense and communication. Frilled lizards use their frills to communicate ...

Like Goldilocks tasting porridge, female frilled-neck lizards test dozens of nesting sites, digging holes and probing with their snouts for temperature conditions that are just right. The temperature ...

Frilled-neck lizards rely on one of the most dramatic defensive displays in the animal kingdom, rapidly expanding a large neck frill to appear bigger and more threatening. The transcript shows how ...