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Lost Files- Pachycephalosaurus by HodariNundu Lost Files- Pachycephalosaurus by HodariNundu
JURASSIC PARK Los Archivos Perdidos
Pachycephalosaurus
Epoca: Cretaceo tardio, hace 70-65 millones de años
Distribucion: Norteamerica
Longitud: Hasta 5 metros
Peso: 1-2 toneladas
Dieta: Herbivoro
El principal rasgo del Pachycephalosaurus es su cabeza abovedada, de hasta 30 centimetros de grosor, y su craneo adornado con pequeñas protuberancias y puas. Estas puas son mas grandes en los machos que en las hembras, y los machos tambien alcanzan tamaños mayores. Este craneo es usado como un ariete para embestir contra sus depredadores, si bien estos dinosaurios prefieren huir cuando se ven atacados, especialmente si el enemigo es un depredador gigante como el Tyrannosaurus rex. A pesar de su tamaño, los Pachycephalosaurus pueden correr a mas de 55 kilometros por hora.
No obstante, si un Pachycephalosaurus es atrapado por depredadores, a menudo otros miembros de la manada regresan a defenderlo.
Las manadas usualmente son dirigidas por un macho grande, pero su dominio es constantemente desafiado por machos sin haren que suelen retarlo a duelos de cabezazos. Durante estas luchas, los machos deben cuidar muy bien de mantener la cabeza dirigida hacia el rival, pues si este llega a alcanzar los costados puede romperle las costillas e incluso dañar los organos internos.
Las hembras son muy protectoras de sus pequeños y cooperan entre si para vigilarlos. Este dinosaurio tiene una vista muy aguda que le permite distinguir a los depredadores desde lejos.
Sus vocalizaciones consisten en gruñidos, bramidos y resoplidos, y una especie de chillido semejante al de un cerdo que emiten cuando estan asustados.
TRIVIA: El Pachycephalosaurus era uno de los herbivoros mas temidos por los cuidadores de Jurassic Park. Desde que fueron llevados al parque, estos dinosaurios hirieron de gravedad a seis cuidadores (uno de los cuales sufrio la fractura de todas sus costillas y varias lesiones internas despues de ser no solo embestido sino tambien pisoteado por el animal).
EXTREMELY DANGEROUS!



JURASSIC PARK The Lost Files
Pachycephalosaurus
Age: Late Cretaceous, 70-65 mya
Range: North America
Length: Up to 5 meters
Weight: 1-2 tons
Diet: Herbivore
The main trait of Pachycephalosaurus is its dome shaped head, up to 30 cms thick, and the small knobs and spikes that cover its skull. These spikes are longer in males than in females, and males are also larger in size.
The skull is used as a ram to charge against predators, although these dinosaurs will rather run away if attacked, specially if the attacker is a giant predator such as T-Rex. Despite their size, Pachycephalosaurus can run up to 55 kms p/h.
However, if a Pachycephalosaurus is caught by predators, the herd will often return and try to defend it.
Herds are usually lead by a large male, but its dominion is constantly defied by males without a harem, which often challenge him to head butting duels. During these fights, males must keep their head facing towards the oponent, for if he manages to hit its sides it can break its ribs and even damage the internal organs.
Females are very protective of their young and they cooperate to keep an eye on them. This dinosaur has a very acute eyesight which allows it to detect predators from a long distance.
Its vocalizations include growls, bellows and snorts, and some kind of shriek, similar to a pig's squeal, produced when the animal is scared.
TRIVIA: Pachycephalosaurus was one of the most feared herbivores among the keepers of Jurassic Park. Since they were moved to the Park, these dinosaurs seriously injured six keepers (one of them actually had all of his ribs broken and suffered serious internal lesions after being not only charged, but also trampled by the animal).
EXTREMELY DANGEROUS!

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:iconmutantapk:
mutantapk Featured By Owner Feb 21, 2014  Hobbyist Digital Artist
I saw one of these take down a ceratosaurus on Jurassic Park Operation Genesis.
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:iconblacknightb:
Blacknightb Featured By Owner Oct 5, 2012  Student Interface Designer
I always wondered this, there was a movie i saw where a T-Rex battled a Triceratops and the T-Rex broke one of the Triceratops' horns with his own jaw. If a Triceratops horns(which are made of solid bone) can be broken, can a Pachycephalosaurus' head be broken? i know it sounds like a stupid question but i just need someone's opinion.
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:iconaloodonguy67:
Aloodonguy67 Featured By Owner Apr 14, 2013  Student Artist
Maybe man, maybe!!!
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:iconhodarinundu:
HodariNundu Featured By Owner Oct 5, 2012   General Artist
Any bone can be broken, but Im guessing breaking a Pachy's skull would be VERY difficult as it was specifically "designed" to withstand violent impacts.
Reply
:icontrextrex65:
trextrex65 Featured By Owner Feb 11, 2012   Digital Artist
i ever knowing Pachycephalosaurus can be 1-2 tony can on the dino games is tiny looking
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:iconsurvivor-127:
survivor-127 Featured By Owner Dec 7, 2009  Hobbyist General Artist
one of my favorite herbivores!

--
HA HA HA I'M ALIVE!
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:iconexcalibur-t005:
Excalibur-T005 Featured By Owner Jun 25, 2009
One scientific mistake: the bone of the dome was actually rather porous, and filled with blood vessels - if they rammed eachother head-on, they would both fracture their skulls and bleed to death.
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:iconhodarinundu:
HodariNundu Featured By Owner Jun 25, 2009   General Artist
Doubt it, but couldn´t care less. These are not scientific descriptions, its just for fun.
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:iconexcalibur-t005:
Excalibur-T005 Featured By Owner Jun 26, 2009
Mmm, good point. Although, considering the accuracy of most of your drawings, it would be nice if all the descriptions were just as accurate to the real animals. :)
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:iconhodarinundu:
HodariNundu Featured By Owner Jun 26, 2009   General Artist
But it would severely hinder my freedom as a writer ;)
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