Whats wrong with dinosaur reconstruction?

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MN_Rebel said:
Why Sauropods need a trunk while they have long neck? It doesn't makes any sense.

Why Spino need massive muscles to move his head through the water? Water birds (Spino's modern relatives) don't need massive muscles to hunting fish. From what I heard, the sail theory wasn't discarded from scientists today.

You don't need a penis and a vagina to reproduce in animals beside the mammals and some species of non-mammalians. They mated probably similar to the fashion of lizards and crocodilians.
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A long and stiff neck. It gave hight but was not flexible. A trunk would help alot to get the best leaf.

We have no 9 ton bird today who hunt 3m long fish. The sail theory is bs and always was.
 
DariusAmurdarja said:
A long and stiff neck. It gave hight but was not flexible. A trunk would help alot to get the best leaf.

We have no 9 ton bird today who hunt 3m long fish. The sail theory is bs and always was.
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So are giraffes they have long and stiff neck...don't have any problems with eating leaves out of trees.

No you are right there are no 9 ton bird today that hunts fish:screwy: I believe the sail theory is accurate, otherwise have massive hump on its back will have effect on a bipedal theropod.
 
Giraffes have an extremly flexible tongue.
giraffe_tongu.jpg

The sail theory is proven bogus. Evry fall would cause death. Even much smaller predators could easily kill a spinosaurus in simply breaking his spine. Beside that Spinosaurus was only facultative bipedal. The hump would storage fat and water and bring it through hard times. It would also hold muscles to give it power in its neck, front limbs and shoulders.

A fragile sail on the other hand would be a "extinct withing months" option.

giraffe_tongu.jpg
 
DariusAmurdarja said:
Giraffes have an extremly flexible tongue.
View attachment 775973

The sail theory is proven bogus. Evry fall would cause death. Even much smaller predators could easily kill a spinosaurus in simply breaking his spine. Beside that Spinosaurus was only facultative bipedal. The hump would storage fat and water and bring it through hard times. It would also hold muscles to give it power in its neck, front limbs and shoulders.

A fragile sail on the other hand would be a "extinct withing months" option.
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The real reason why the giraffe has long tongue due to the acacia trees (natural food item for giraffes) often have long thorns.

How is it a bogus when there are no evidence that a Spino (which is a bipedal theropod) has a hump on its back? Why would a fish-eater needs hump for just storage fat and water since the enivornment is pretty much swampy? This environment support huge populations of semi-aquatic/aquatic megafauna, included few species of giant crocodilians. Not mentioned that its spines are too long to hold a massive hump. Even camels do have a hump but there's no long spines on these camels.

You know smaller predators don't have to attack or kill a much larger predator.
 
DariusAmurdarja said:
The environment Spinosaurus lived in was seasonal. With wet seasons and dry seasons.
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Well someone forget to tell these giantic crocodilians and multi-species of giant fishes that the environment was seasonal. The evidence that this area was swampy enough to support different species of crocodilians (both smaller and giant species) and also multi-species of giant fishes.
 
MN_Rebel said:
Well someone forget to tell these giantic crocodilians and multi-species of giant fishes that the environment was seasonal. The evidence that this area was swampy enough to support different species of crocodilians (both smaller and giant species) and also multi-species of giant fishes.
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You also forget that Spinosaurus was not the apexpredator in that environment. With a sail, Spino would be easy prey for Carcharodontosaurus.
 
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