40 c. 60 ... T-Rex is believed to eat its own weight in meat each week. Normal dumping frequency can be between three times per day to three times per week. 11:32 AM. “Big hypercarnivores such as big cats do spend a lot of time sleeping,” Holtz said, so it’s possible that T. rex did the same. Consume a number of meals that allows you to meet your nutritional needs consistently each day, and don't stress over needing to eat every 2-3 hours. There’s more that remains mysterious about T. rex than its feeding habits. All rights reserved. The paleontologists go on to say that T. rex-like dinosaurs specialized in baby eating so much, that it could explain the lack of immature dinosaurs in the fossil record. Given that time travel and genetically engineered tyrannosaurs are still in the realm of science fiction, researchers have tried to find alternate routes to envision how T. rex would have behaved. Healed wounds from tyrannosaur bites and bones bearing frightful punctures from feeding told the gory tale. }. That’s an astonishing 1,680 pounds per year. No one is totally sure what dinosaur metabolism looked like, but the best guesses for how much food T-rex ate seem to cluster around 40,000 calories per day. That translates to about 140 kilograms of meat, which the virtual T. rex had half a day to track down in the model. Yes, I wish to receive exclusive discounts, special offers and competitions from our partners. Paleontologists eventually found solid evidence that the dinosaur caught live prey as well as gorged on carrion when the opportunity arose. For an adult T. rex, the stakes were high. Now you can get the top stories from Gizmodo delivered to your inbox. If you love dark chocolate, youre probably well aware of research that suggests it has important health benefits, mostly through improving heart health. Yet the question remained as to how much of its daily life T. rex spent trying to ambush prey versus sniff out what was already dead. Privacy Policy. These dinosaurs reached adult size by their early twenties. A low active level means taking part in 30-60 minutes of moderate activity each day, such as walking at 3-4 miles per hour. In general, though, grown-up T. rex were just too big to live like vultures. Female lions need to eat 5 kg of meat per day. If Jurassic Park taught us anything, it’s that humans are easy prey for T-Rex. How much did it eat? The dinosaurs of the Mesozoic Era obviously didn't brush their teeth or floss. Given that an 80kg human contains about 110,000 calories of energy, T-Rex would probably need to eat about half of an adult — or one 10-year old child! at So.. 1 meat = 50 seconds of feed. T. rex. Each other Date: October 15, 2010 Source: Yale University Summary: It turns out that the undisputed king of the dinosaurs, Tyrannosaurus rex, didn't just eat … ChromaticGrey. Dec 11, 2015 @ 6:54pm 3 for a week #1. This Chinese T. rex relative reached an impressive length of over 25 feet and sported six-inch feathers which covered much of its ... young “rexes” would gain a whopping five pounds per day. Juveniles would have been eaten whole, or at least in large chunks, their predators digesting the bones and everything. They discovered that these dinosaurs grew fastest . They certainly had the equipment to dismantle any carcass they happened across, but a T. rex the size of the Field Museum’s famous SUE couldn’t just wait for a meal. All of this helps to revive T. rex not as a Spielbergian monster, but as a real animal. Tyrannosaurus lived throughout what is now western North America, on what was then an island continent known as Laramidia. For starters, Holtz said, no one knows how much T. rex snoozed. Tyrannosaurus Rex could take a chunk of meat over 500 pounds in it's mouth, so I think that Tyrannosaurus ate about a few thousand pounds of meat per day. A recent analysis of Sue, published in 2011 in the journal PLOS ONE, shows T. rex … Dec 11, 2015 @ 7:25pm A crap ton. Sorry, your blog cannot share posts by email. Paleontologists have extracted a slew of tyrannosaur secrets from old bones: T. rex went through a teenage growth spurt, packing on almost 5 pounds a day until it reached its full stature by age 20; it started reproducing by 18 years of age; it walked at 6 mph and ran at 15 to 25 mph (far slower than the fictional speed demon chasing the Jeep in “Jurassic Park”); when it caught up to prey, it had a maximum bite force of 12,800 pounds, the most powerful of any terrestrial predator; its neck muscles were estimated to be strong enough that it could have thrown a 110-pound chunk of meat about 15 feet into the air before catching it.1 I could go on — it’s estimated that T. rex could see about six times as far as an animal with eyes just 3 feet off the ground — but let’s leave it there. Tyrannosaurus rex weighed about as much as an elephant, and best estimates suggest it needed to consume around 40,000 calories per day. 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