Most long necked dinosaurs had a gas producing bacteria in their stomachs to help with their high fiber diet, which would make them toot very often.

There is a dinosaur called the Dracorex Hogwartsia, meaning the dragon king of Hogwarts, inspired by its dragon-like appearance and of course, Harry Potter.

Ichthyosaur babies were born tail-first. If they had been born head first, they would have drowned before they could reach the water's surface to take their first breath.

Lesothosaurus was about the size of a house cat and scientists believe it traveled in family groups and lived in burrows.

The herbivore with the most horns at an impressive fifteen, the Kosmoceratops may have been an earlier relative to the Triceratops. Unlike the Triceratops, the horns on top of its head curve downward.

The oldest known dinosaur is Saltopus. It was a small carnivore that lived 245 million years ago. Remains of this dinosaur have only been found in Scotland.

The largest Mosasaur skeleton on display is 42.7 feet long, and is nicknamed Bruce.

The first part of Troodon discovered was a single tooth. It took nearly a hundred years to find any more bones belonging to Troodon. Troodon was one of the smartest dinosaurs around; today it would be as smart as a chicken.

The dinosaur with the shortest name is Yi qi. Yi means wing, and it is the only dinosaur discovered so far to have wings like a bat.

Apatosaurus couldn't use their tails for defense, but their long and unusually slim tail could be cracked like a whip to frighten away predators, making a noise as loud as a cannon being fired that could be heard for miles.

Maiasaura may have migrated back to their birthplace to lay eggs-just like sea turtles do today. "Egg Mountain" is a fossil site in Montana, and contains fossilized eggs, eggshells, and nests, along with the remains of juvenile dinosaurs. There have been hundreds of specimens uncovered in all stages of life, showing that Maiasaura lived in herds, migrated seasonally, and nested in groups. The name Maiasaura means "good mother lizard" or "caring mother lizard". 

110-million-year-old footprints discovered in South Korea are among the smallest known dinosaur footprints, likely made by a tiny, sparrow-sized raptor and are 1 centimeter long. 

Tiktaalik isn't technically a dinosaur but it's really interesting! It swam like a fish but could crawl on land like an amphibian. This awesome “fishapod” represents one of the most significant fossil finds in recent years. Named in 2006, the discovery of this lobe-finned fish has played a crucial role in our understanding of the fish-to-tetrapod transition, in other words, from fins to limbs. Tiktaalik was found on Ellesmere Island, Canada, and is around 375 million years old. 

Ankylosaurus was as large as a tank and weighed about 10,000 pounds. Measuring 30 feet long, scientists believe that the dinosaur couldn’t move any faster than a human can walk: about three miles an hour. Ankylosaurus had plates of bone connected under a layer of keratin—a protective protein found in hair and fingernails. These special bones even existed in its eyelids! Ankylosaurus could whip their club-like tail with enough force to break a T-Rex's bones. 

The U.S. states with the most dinosaur fossils are Montana, Wyoming, Utah, and Colorado. 

The U.S. states with no dinosaur fossils are Florida, Hawaii, Illinois, Indiana, Kentucky, Maine, Michigan, Ohio, Rhode Island, West Virginia and Wisconsin.

Until 2012, Washington was on the no dinosaur fossil list. There has only been one dinosaur bone found in Washington, a theropod thigh bone. Theropods include Spinosaurus, Allosaurus, Baryonyx, Dilophosaurus, Tyrannosaurus Rex, and Velociraptors. Today's theropods are birds like chickens. Scientists can't pinpoint the exact species due to the incomplete fossil, but it has been nicknamed "Suciasaurus Rex" after Sucia Island where it was discovered, and it became Washington's official dinosaur in 2023.