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 ...

Your “frill” is not my “frill. “ My frill, in fact, is an essential component of the work I do, which is an equally essential aspect of our institution’s mission. Maybe you say the same about yours.

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 ...

Styracosaurus was a plant-eating dinosaur with a long nasal horn and prominent spikes around its neck frill. Fossils from ...

A frilled dragon shows how its dramatic neck display can make it appear much larger than its actual size. The wildlife handler explains how the reptile quickly expands its wide frill around its head, ...

For a long time, frills have been a detail added to make things look fancy. Fancy is not, you may have noticed, a term of high praise in this column, or any fashion column in the last half-century.

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.