Children react as a carnivorous theropod known as the Australovenator dinosaur walks through crowds along the Southbank, in London, Monday, February 18, 2013. (Photo by Kirsty Wigglesworth/AP Photo)

In this handout provided by Destination New South Wales, a Tyrannosaurus rex takes a morning stroll with commuters in Martin Place on August 28, 2013 in Sydney, Australia. (Photo by James Morgan/Destination New South Wales via Getty Images)

A giant chrome brushed aluminium skeleton of a Tyrannosaurus (T-Rex) dinosaur (R), made by French sculptor and painter Philippe Pasqua, stands at the pier of riverboat company Bateaux-Mouches on June 12, 2013 in Paris, with the Eiffel tower in the background (L). (Photo by Claire Lebertre/AFP Photo)

A man reacts as a performer dressed in a Tyrannosaurus rex dinosaur costume walks next to him during a publicity event in central Sydney August 28, 2013. (Photo by Daniel Munoz/Reuters)

A dinosaur robot produced by Tyco Electronics Japan G.K. is controlled by a smartphone at CEATEC (Combined Exhibition of Advanced Technologies) Japan 2014 held at at Makuhari Messe in Chiba, east of Tokyo, Japan, 07 October 2014. (Photo by Kimimasa Mayama/EPA)

Workers transport a model of a dinosaur at the exhibition “World of Dinosaurs” at a former lignite surface mining area in Grosspoesna near Leipzig, central Germany, Wednesday, October 29, 2014. (Photo by Jens Meyer/AP Photo)

Tristan Robertson-Jeyes, aged 3, plays with a “Teksta T-Rex” toy dinosaur outside Hamley's toy shop on June 26, 2014 in London, England. (Photo by Rob Stothard/Getty Images)

Adele Clark, aged 8, looks at an animatronic Gallimimus dinosaur at the Natural History Museum on April 20, 2011 in London, England. (Photo by Matthew Lloyd/Getty Images)

A boy runs past one of the exhibits during the Dinosaurs exhibition in Belgrade, Serbia, Thursday, August 21, 2014. “Dino Park” has opened at Belgrade's Kalemegdan Fortress. (Photo by Darko Vojinovic/AP Photo)

Smoke from the Silver Fire rises up the San Jacinto Mountains behind one of the Cabazon Dinosaurs, a roadside attraction also known as Claude Bell's Dinosaurs, in the community of Cabazon near Banning, California, August 8, 2013. (Photo by David McNew/Reuters)

Children watch and react as a Tyrannosaurus T-Rex moves and growls in an inter-active display at Field Station Dinosaurs in Secaucus, N.J., Friday, May 25, 2012. (Photo by Mel Evans/AP Photo)

An animatronic model of a Tyrannosaurus performs in Sydney, January 10, 2007. (Photo by Tim Wimborne/Reuters)

A performer dressed in a Tyrannosaurus rex dinosaur costume walks amongst pedestrians during a publicity event in central Sydney, August 28, 2013. (Photo by Daniel Munoz/Reuters)

A person in a Tyrannosaurus Rex dinosaur costume runs on the field as young boys play an exhibition soccer match during halftime of an MLS soccer game in Carson, California, May 26, 2013. (Photo by Danny Moloshok/Reuters)

People visit the World of Dinosaurs exhibition at Pechersk Landscape Park in Kiev, Ukraine, September 10, 2010. (Photo by Gleb Garanich/Reuters)

A worker directs the removal of a Tyrannosaurus Rex dinosaur from a lorry at Twycross Zoo near Atherstone, central England, March 1, 2013. (Photo by Darren Staples/Reuters)

A life sized model of a Tyrannosaurus Rex baring its teeth is seen at the Karpin Abentura park in the Karrantza valley, Spain, July 26, 2014. (Photo by Vincent West/Reuters)

Children visit the World of Dinosaurs exhibition at Pechersk Landscape Park in Kiev, Ukraine, September 10, 2010. (Photo by Gleb Garanich/Reuters)

A scale model of a dinosaur and a shadow of another are seen displayed in front of La Sapienza University headquarter in Rome, April 10, 2015. (Photo by Alessandro Bianchi/Reuters)

A construction worker's hat sits on the head of a Coelophysis dinosaur at Twycross Zoo near Atherstone, central England, March 1, 2013. (Photo by Darren Staples/Reuters)

A man poses next to a dinosaur model at the Asturias Jurassic Museum in northern Spain, August 14, 2009. (Photo by Eloy Alonso/Reuters)

Visitors photograph an animatronic Tyrannosaurus Rex at the National Museum of Scotland, July 29, 2011. (Photo by David Moir/Reuters)

A child touches the claw of a life-sized Ceratosaurus dinosaur model in Vienna, February 7, 2014. (Photo by Heinz-Peter Bader/Reuters)

A worker directs the removal of a Parasaurolophus dinosaur from a lorry at Twycross Zoo near Atherstone, central England, March 1, 2013. (Photo by Darren Staples/Reuters)

A dinosaur replica of the Iguanodon at the Kennedy Park in Miraflores district of Lima, Peru, September 6, 2011. (Photo by Mariana Bazo/Reuters)