Albertosaurus vs Iguanodon

A marquee match-up!

Iguanodon

"Iguana tooth"

Length: 10 meters

Weight: 4 tons

Era: Cretaceous

The only herd of this ornithopod thrives on Isla Sorna. They're population is somewhere around five hundred, yet has remained strong since Hammond ordered the release of the original twenty five. They are extremely hardy animals, and have been noted to go weeks without water during the harsh dry season. They possess a lethal thumb spike and are quite capable of defending themselves against predators.

Albertosaurus (Pack of 3)

 "Alberta Lizard"

Length: 8 meters

Weight: 2.5 tons

Era: Cretaceous

Albertosaurs are pack animals. Unlike other tyrannosaurs, which hunt in packs of 4 or 5, Albertosaurus has been observed in huge packs of 20 plus members.Young males are solitary animals, until they can form packs of their own. They use their overwhelming numbers to take down large and difficult prey. They have been observed attacking Diplodocus, though the outcome wasn't seen. Albertosaurs can co-exist with other tyrannosaurs for short periods, but aggression pays a factor in who ends up having to leave. 

Here we go..

Through the dense cover of the conifer trees, the Albertosaurus pack eyed the iguanodon herd. This small pack, comprised of two females and a small male, was on the brink of starvation. Their usual prey, the duck billed Corythosaurus, had made their annual migration to the northern breeding grounds. Fear of starvation had kept these tyrannosaurs in their territory, ironically enough. The ornithomimids that were plentiful throughout their home were too quick, even for these agile tyrant lizards. The Ceratopsians way too formidable for animals their size. The sauropods? Far too large. Even the young ones of the Brachiosaurs were too big at this time of season.

And now, they had come across the Iguanodon herd, purely on accident. The big female nicknamed "sue" by Ingen field scientists now stood at the edge of the tree coverage. Her jaws dripped with saliva in anticipation. She snarled at the male, turning her head and repeating the snarl to the other female. She had just shifted their hunt into gear.

The young male made his way behind the herd, still sticking to the shadows of the decidious forest. The other female took a position towards the farthest individuals of the herd. "Sue" stared deterimadely at the ornithopods, her legs taught at the fringe of action.

The shrieks of the male set their hunt forth. He came blazing up from behind the herd, his thundering footsteps echoing through the still island midday. Panicked, the herbivores started running in various directions. They smacked into each other, sending members of their herd to the ground and seriously injurying some. What was unfolding here, was collective chaos. "Sue" rushed from the trees, her eyes set on a large female. 

What she had not accounted for was these animals to be so massive up close, their sheer bulk almost becoming a deterrent. She closed in on the female, opening her bone crushing jaws and lunging forward for the kill...

When she was sent flying through the air. Her body hit the ground hard, her ribcage landing on a large protruding rock. Waves of fiery pain radiated from her chest, exploding from her maw in an intense wail of agony. The male ran right by, completely unaware of what had just occured. He too kept up with the female "Sue" had targeted, driving it to the other female. She only saw their running sihlouettes as she slipped into unconsciousness.

They were about to reach the ambush spot, when the cordonned ornithopod did something unexpected. She wheeled around, stopping in her tracks and faced her pursuer. This caught the Tyrannosaur off guard, and he collided with the massive herbivore. He bounced off but remained on his feet, eying the ambush spot and attempting to keep the enraged plant muncher's attention. She bellowed defiantly at the carnivore, rearing up and presenting the massive thumb spike as a clear weapon. The agile tyrannosaur ran in and nipped at the vunerable underbelly, very narrowly avoiding the Ornithopods attempt to decapitate him. He backed away, his jaws bloodied by the small nip. 

The enraged Iguanodon went down on all fours and charged the Tyrannosaur like a mad bull. He side stepped, biting down on her back. Her momentum carried him sideways, and he fell to the ground. Before the plant muncher could stomp him into oblivion, he was back on his feet and now cut off the escape attempt.

That's when the other Albertosaurus came blazing out of the trees. She roared visciously at the herbivore, planting her feet in the grassy earth and effectively sandwiching the ornithopod between her and her pack mate. Quite frightened at this point, the Iguanodon began to back away from one flesh eater and into the path of the other. At this point,The Iguanodon once again reared, brandishing both thumb spikes. The white bone glinting in the now intensifying midday sun.

The male ran in from the side, leaping at the herbivore and knocking it off balance. They both fell, and the other female rushed in to assist in the kill.

To her horror, she witnessed the maddened ornithopod drive the enormous thumb spike into the Male's neck. He slumped to the ground lifelessly in quick order. The herbivore was quick to get back on her feet, and now bellowed at the solo Tyrannosaur. She roared in response, but backed away. Her eyes now locked on her felled pack mate. 

Having no chance solo against the massive ornithopod, she backed away and ran to the trees. The iguanodon went on its way, hoping to catch up to the herd.

About two hours later, "Sue" came back into consciousness. To her amazement, an array of scavengers walked around her in, their excited yelps cut short as the massive tyrannosaur got to her feet. With a cursorial roar, most were sent packing. With pain still abundant in her ribcage, "Sue" limped off to find her pack, unaware of what had just happened..

Winner...Iguanodon!