Meet the Museum of Natural History’s newest guest: a T. rex

Kirk Johnson, Sant Director of Smithsonian’s National Museum of Natural History, speaks during the media preview of “David H. Koch Hall of Fossils-Deep Time” in Washington, Tuesday, June 4, 2019. The Smithsonian’s National Museum of Natural History will reopen its dinosaur and fossil hall to the public Saturday, June 8, 2019. the 31,000-square-foot exhibition hall will feature this authentic Tyrannosaurus rex skeleton. (AP Photo/Carolyn Kaster)

A detail of the Tyrannosaurus rex skeleton is seen at the Smithsonian’s National Museum of Natural History, during the media preview of “David H. Koch Hall of Fossils-Deep Time” in Washington, Tuesday, June 4, 2019. The Smithsonian’s National Museum of Natural History will reopen its dinosaur and fossil hall to the public on June 8, 2019. The 31,000-square-foot exhibition hall will feature this authentic Tyrannosaurus rex skeleton. (AP Photo/Carolyn Kaster)

Smithsonian's National Museum of Natural History's Matthew Carrano, curator of Dinosauria, points out tooth #2 in the lower left jaw of a Tyrannosaurus rex skeleton in the paleobiology prep lab at the Smithsonian's National Museum of Natural History in Washington, Tuesday, June 4, 2019. The Smithsonian's National Museum of Natural History will reopen its dinosaur and fossil hall to the public on June 8, 2019. The 31,000-square-foot exhibition hall will feature an authentic Tyrannosaurus rex skeleton. (AP Photo/Carolyn Kaster)

Smithsonian’s National Museum of Natural History’s Matthew Carrano, curator of Dinosauria, right, and Anna Torres, public affairs specialist, open the protective case containing the of a lower left jaw of a Tyrannosaurus rex skeleton in the paleobiology prep lab at the Smithsonian’s National Museum of Natural History in Washington, Tuesday, June 4, 2019. The Smithsonian’s National Museum of Natural History will reopen its dinosaur and fossil hall to the public on June 8, 2019. The 31,000-square-foot exhibition hall will feature an authentic Tyrannosaurus rex skeleton. (AP Photo/Carolyn Kaster)

The Smithsonian’s National Museum of Natural History’s “David H. Koch Hall of Fossils-Deep Time” is seen during a media preview in Washington, Tuesday, June 4, 2019. The Smithsonian’s National Museum of Natural History will reopen its dinosaur and fossil hall to the public June 8. the 31,000-square-foot exhibition hall will feature an authentic Tyrannosaurus rex skeleton. (AP Photo/Carolyn Kaster)

A Tyrannosaurus rex skeleton is seen on display biting a Triceratops during the Smithsonian’s National Museum of Natural History’s “David H. Koch Hall of Fossils-Deep Time” during a media preview in Washington, Tuesday, June 4, 2019. The Smithsonian’s National Museum of Natural History will reopen its dinosaur and fossil hall to the public on June 8. the 31,000-square-foot exhibition hall will feature the authentic Tyrannosaurus rex skeleton. (AP Photo/Carolyn Kaster)

WASHINGTON — Positioned in mid-kill, the Tyrannosaurus rex towers over the prone body of its prey, a similarly huge triceratops.