
Albertosaurus Outsmarts Prey to Win Respect
Clip: Episode 4 | 2m 19sVideo has Closed Captions
Albertosaurus work as a group to hunt down prey much larger than they are.
Smaller Albertosaurus were faster than the heavier, stronger members of the group. Can the pack make the most of this range of skills when hunting an animal much larger than themselves. By driving an Edmontosaurus into a trap, Rose the Albertosaurus has helped the group stave of hunger, and earned the respect of the group.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback

Albertosaurus Outsmarts Prey to Win Respect
Clip: Episode 4 | 2m 19sVideo has Closed Captions
Smaller Albertosaurus were faster than the heavier, stronger members of the group. Can the pack make the most of this range of skills when hunting an animal much larger than themselves. By driving an Edmontosaurus into a trap, Rose the Albertosaurus has helped the group stave of hunger, and earned the respect of the group.
Problems playing video? | Closed Captioning Feedback
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Learn Moreabout PBS online sponsorship[Bellows] Rearing up on their hind legs, the Edmontosaurus are too powerful.
[Bellowing] But Rose bides her time.
Until she spots an older individual.
[Huffs] One that might be weaker than the others.
♪ [Growling] [Rose hissing] [Bellows] Rose can't take this Edmontosaurus down alone.
♪ But she can steer her prey... ♪ right towards the killing jaws of the matriarch.
♪ [Bellows] [Growls] But there's still fight in this old bull.
[Growling] [Deep, bellowing cry] [Growls] [Bellows] [Groans] ♪ Rose has played her part to perfection.
Finally the pack can feed.
♪ And this time... Rose gets her share of the spoils.
[Crunching] ♪
Albertosaurus Matriarch Asserts Dominance
Video has Closed Captions
Clip: Ep4 | 2m 22s | Surviving in a cave full of Albertosaurus can be a lot easier if you form a partnership. (2m 22s)
Video has Closed Captions
Preview: Ep4 | 30s | A young Albertosaurus, a relative of T. Rex, earns her place in a fierce hunting pack. (30s)
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