Plesiosaur
Argentinosaurus was the biggest hervivorous dinosaur that has a long neck.
Janenschia is a dinosaur. It was a huge dinosaur with a long neck and tail.
The scientific name of a long neck dinosaur is Brachiosaurus.
Amargasaurus.
A long neck dinosaur that eats plants
grass and leaves
Diplodocus.
This depends on which long-necked dinosaur you are talking about. Heights varied between species.
mamenchasaurus
it has a long neck
No, it is a sauropod. It has a long neck and tail and walked on all fours.
A giraffe no dought. also have you heard about the long neck dinosaur. Birds have feathers too hopefully you are a kid if you are asking this question.