How big is a brontasaurus?

Like Apatosaurus, Brontosaurus was quadrupedal, possessing four stout legs, as well as a long neck that was balanced by a long tail. The first museum specimens measured 20.3 metres (about 66.5 feet), with initial weight estimates somewhere between 28.1 and 34.5 tonnes (31 and 38 tons).

1. How tall was the average Brontosaurus?
2. What was the tallest dinosaur?
3. Which is bigger Brontosaurus or brachiosaurus?
4. Why is a Brontosaurus not really a dinosaur?
5. How fast can a brontosaurus run?
6. How big is a brontosaurus egg?
7. Did some dinosaurs have 2 brains?
8. Who was the fastest dinosaur?
9. What is the shortest dinosaur?
10. Is an Allosaurus bigger than a T Rex?
11. What dinosaurs had 500 teeth?
12. Is brontosaurus the biggest dinosaur?
13. Are Diplodocus and Brontosaurus the same?
14. Did Brontosaurus lay eggs?
15. What's the spitting dinosaur in Jurassic Park?

How tall was the average Brontosaurus?

Apatosaurus/Brontosaurus was one of the largest land animals that ever existed. The dinosaur Brontosaurus is now called Apatosaurus. This enormous plant-eater measured about 70-90 feet (21-27 m) long and about 15 feet (4.6 m) tall at the hips. It weighed roughly 33-38 tons (30-35 tonnes).

What was the tallest dinosaur?

The Tallest Dinosaur

Brachiosaurus - the most well known of the group - was 13 metres tall. Sauroposeidon was massive and probably grew to 18.5 metres tall making it the tallest dinosaur.

Which is bigger Brontosaurus or brachiosaurus?

Brachiosaurus was heavier and approximately 20 feet taller than Brontosaurus. ... Brachiosaurus had larger and longer forelimbs than hind limbs. In contrast, Brontosaurus had slightly shorter forelimbs than hind limbs. In addition, Brachiosaurus had a large nare over its skull while Brontosaurus didn't have a nare.

Why is a Brontosaurus not really a dinosaur?

Brontosaurus has a colorful history. Named by O.C. Marsh in the 1880s, the dinosaur was identified in 1903 as a member of the Apatosaurus genus, which Marsh had found a few years earlier. ... So the “thunder lizard” was condemned to the realm of the scientifically invalid, becoming the dinosaur that “never even existed.”

How fast can a brontosaurus run?

Trackways of sauropods like Brontosaurus show that the average range for them was around 20–40 km (10–25 mi) per day, and they could potentially reach a top speed of 20–30 km/h (12–19 mph).

How big is a brontosaurus egg?

The eggs were about 1.5 inches (4 centimeters) long and just over 1 inch (2.5 centimeters) wide, which is a little smaller than a chicken egg. But even large dinosaurs had small babies.

Did some dinosaurs have 2 brains?

As paleontologists now know, no dinosaur had a second brain. ... But the so-called “sacral brain” is something different. So far, this distinct kind of cavity is only seen in stegosaurs and sauropods and is different than the typical expansion of the neural canal.

Who was the fastest dinosaur?

A: The fastest dinosaurs were probably the ostrich mimic ornithomimids, toothless meat-eaters with long limbs like ostriches. They ran at least 25 miles per hour from our estimates based on footprints in mud.

What is the shortest dinosaur?

Answer: The smallest dinosaurs yet discovered are: A new, crow-sized theropod, Microraptor was recently found in China. It is about 16 inches (40 cm long) and may be an adult. Compsognathus, a theropod (meat-eater) 2 feet (60 cm) long, from 145 million years ago.

Is an Allosaurus bigger than a T Rex?

T. Rex adults were a significantly larger compared with allosaurus adults. An allosaurus adult was between 8.5 and 12m in length (28-39 ft), while the average T. Rex adult was about 12-15m long (40-50 ft).

What dinosaurs had 500 teeth?

This bizarre, long-necked dinosaur is characterized by its unusually broad, straight-edged muzzle tipped with more than 500 replaceable teeth. The original fossil skull of Nigersaurus is one of the first dinosaur skulls to be digitally reconstructed from CT scans.

Is brontosaurus the biggest dinosaur?

It weighed 69 tons. The bone clearly belonged to a sauropod—a long-necked dinosaur like Brontosaurus, Diplodocus, and Brachiosaurus. ... Specifically, it was one of the titanosaurs—the last-surviving group of sauropods, and likely the biggest of them.

Are Diplodocus and Brontosaurus the same?

Diplodocus and Brontosaurus were closely related. Both were plant-eaters and they probably liked to eat the same types of plants. ... Diplodocus was different from Brontosaurus in a number of ways, Diplodocus had a much longer tail and its neck was longer and more slender than Brontosaurus.

Did Brontosaurus lay eggs?

The film's fictional Brontosaurus baxteri is said to be capable of live birth. Instead of laying clutches of small eggs, gravid Brontosaurus females delivered between one and three large, live offspring at a time.

What's the spitting dinosaur in Jurassic Park?

The poison-spitting dinosaur reconstructed in Jurassic Park is Dilophosaurus. At the time the movie was produced, there was no evidence that this or any other dinosaur spat poison or had poisonous saliva of any kind.