Frill necked lizards are known for one of the most dramatic defensive displays in the animal world, instantly expanding their frill to appear far larger than they are. This sudden transformation often ...

The frilled dragon exhibits a distinctive large erectile ruff. Researchers report that an ancestral embryonic gill of the dragon embryo turns into a neck pocket that expands and folds, forming the ...

Scientists are discovering why our frillneck lizard has one of the animal world’s most dramatic displays. It’s mostly bluff and bluster, but a frillneck lizard’s display when it’s disturbed can still ...

Why Do Frilled-Neck Lizards Frill? Frilled-neck lizards frill their necks for a few different reasons, primarily for defense and communication. Frilled lizards use their frills to communicate with ...

Frill necked lizards might look like they belong in a sci-fi movie, but they're very real – and absolutely fascinating. In this video, we take a closer look at what makes these reptiles so unique, ...

When Nicholas Longrich discovered a new dinosaur species with a heart-shaped frill on its head, he wanted to come up with a name just as flamboyant as the dinosaur's appearance. Over a few beers with ...

Many dinosaurs had distinctive bony frills around their necks – the best-known being the Triceratops. It’s not a feature found in living animals today, and paleontologists have long debated what the ...

Ceratopsids were flashy dinosaurs. These herbivorous heavyweights were adorned with horns, spikes, hooklets, and bosses that came in a stunning variety of shapes and arrangements, making them look ...

The frilled dragon exhibits a distinctive large erectile ruff. This lizard usually keeps the frill folded back against its body but can spread it as a spectacular display to scare off predators.