Extras
A young Albertosaurus, a relative of T. Rex, earns her place in a fierce hunting pack.
In an attempt to initiate a courtship dance, a male Lusotitan puts his best foot forward.
Staying close to the herd is the only chance for baby Pachyrhinosaurus to survive danger.
Albertosaurus work as a group to hunt down prey much larger than they are.
Surviving in a cave full of Albertosaurus can be a lot easier if you form a partnership.
When hiding from a Utahraptor, one small movement could blow our Gastonia's cover.
Gastonia have armor all along their back and tail, so how do Utahraptors hunt them?
When survival is on the line, hunting for food is only half the battle.
Even the fiercest Spinosaurus show a softer side when it comes to raising their young.
How the bulky T. Rex may have been sneakier than we once thought.