Walking with Dinosaurs

as every Pachyrhinosaurus on the continent heads north... [Deep, guttural growl] merging into one of the greatest spectacles of the prehistoric world.

[Snorting huff] [Deep bellowing] But with such a colossal gathering... tension is in the air.

[Deep growling] Breeding season is upon them, so bulls in the herd must compete for their right to mate... [Deep growling] from old veterans... [Ferocious growling] to their younger rivals.

[Huffing] [Growling] And there's only one way to prove their worth.

[Growls] [Deep growl] In a contest as brutal as this... [Albie whining] Albie's mother must keep a watchful eye.

Making sure he isn't trampled or even killed.

[Deep, guttural growling] But as one of the youngest, curiosity gets the better of him.

[Albie whining] [Growls and huffs] Using their thick armored noses... each male seeks to deliver a bone-shattering blow.

[Guttural growling] And the ultimate target... [Rumbles] is behind the other's horned armor.

[Strained growl] The young rival... [Ferocious growling] gains the upper hand.

[Wailing moan]