When the group gets to the Aviary, and the Pteranadons attack, in two quick shots you see the Pteranadons open their beaks, and you see teeth. The only problem with that is, Pteranadons had no teeth, the name "Pteranadon" means "Winged and Toothless". In the rest of the shots, you do not see teeth.
Uh... where exactly are the flying dinos named? I never heard them referred to as Pteranodons... why couldn't they have been Pterodactyls (which is actually what they are in the Jurassic Park novel...)
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I noticed the teeth too. You are exactly right with the name meaning "winged + toothless"! With the kind of research they seem to put into the "Jurassic Park" dinosaurs, you would think they would have noticed.
Pteradactyls and Pteranadons are not flying dinosaurs, and where are they named?, well, the director (and everyone else involved in the movie) says they are Pteranadons, I am aware in the original novel there were Pteradactyles, but these are not, both species exists on the islands (at least on Isla Sorna), the Pteranadons were just apparently too dangerous to be let loose, and finally, where can you see they are named Pteranadons?, on the back of the soundtrack, "Tiny Pecking Pteranadons".
These creatures have been genetically created from strands of DNA and the missing "links" were "filled" with frog DNA, surely genetic mutants have no doubt been created as a result of this.
Actually, they could be cearadactyls, which are fish eating dactyls...They were on Isle Nublar, in that Aviary. They weren't in the movie, but they were in the book Jurassic Park. It makes sense that they would have the same kind of dactyls on both islands, since the animals were created on Isle Sorna, and then sent to Isle Nublar.
Some people claim that the teeth came from non-original DNA inserts into the original Pteranodon DNA. But, remeber from Jurassic Park I, when Grant explained the kids that InGen used african frogs DNA to fill in the missing parts? Yes, frogs, as far as I know, do not have teeth too. This is a remarkable slip up.