Which modern group of animals is most closely related to the extinct
Chapter 1

Feathers, fluff, and fashion

Chapter 2

The sound and the fury

Chapter 3

The giants of the southern hemisphere

Chapter 4

The survivors among us

Ch 4 · The survivors among us
artiteacher

artiteacher The evolutionary separation of flying pterosaurs and dinosaurs.

2h ago

artiteacher
The Dino Next Door
BETA

artiteacher Sort Hollywood myths from fossil facts to discover what dinosaurs actually looked like.

2h ago

artiteacher

artiteacher Chicxulub Asteroid Impact

Sky turned black, sun went down, birds kept the crown.

2h ago

artiteacher
The sky is not falling

artiteacher While sharing an ancestor, dinosaurs have upright hips whereas pterosaurs have sprawling postures and fly using skin membranes on a single finger.

2h ago

artiteacher
Quiz

What anatomical feature distinguishes dinosaurs from pterosaurs and other reptiles?

2h ago

artiteacher
Quiz

Which finger did pterosaurs use to support their massive wing membranes?

2h ago

artiteacher
Survival often requires scaling down and reorganizing.

2h ago

artiteacher
Monsters of the deep

artiteacher Fossils show these ocean predators evolved from land lizards and swallowed prey whole.

2h ago

artiteacher
Quiz

What unique jaw feature did Mosasaurs share with modern snakes to help them eat large prey?

2h ago

artiteacher
Quiz

Which modern group of animals is most closely related to the extinct marine reptile Mosasaurus?

2h ago

artiteacher
Fun Fact

Bird brains: Bird brains are actually highly modified dinosaur brains, scaled down and reorganized for flight and complex sensory processing.

2h ago

artiteacher
Quiz

True or false: A modern chicken is more closely related to a Tyrannosaurus rex than a T. rex was to a Stegosaurus.

2h ago

artiteacher
Quiz

Which specific group of dinosaurs survived the mass extinction to become modern birds?

2h ago

artiteacher
Glossary
archaeopteryx (noun)
An extinct primitive bird of the Jurassic period that had teeth, clawed wings, and a long bony tail. This pivotal transitional species lived 150 million years ago in what is now Bavaria, Germany.

2h ago

artiteacher
Quiz

What is the name of the massive volcanic region in modern India that contributed to the dinosaurs' extinction?

2h ago

artiteacher
Quiz

Where is the Chicxulub crater, the impact site of the asteroid that wiped out the non-avian dinosaurs, located?

2h ago

artiteacher
Gossip

Which living bird do you think looks most like a dinosaur?

2h ago