Images Dated 11th March 2004

NA, USA, Alaska, Gates of the Arctic NP Bright red arctic tundra in early autumn

© Paul Souders / Danita Delimont, Agent

Alaska, Arctic, Autumn, Bloom, Blossom, Bright, Close Up, Colorful, Danita Delimont, Environment, Field, Flora, Flower, Fungi, Gates Of The Arctic, Light, Meadow, Mushroom, National Park, Nature, North America, Np, Park, Paul Souders, Plant Life, Public Land, Red, Rf, Season, Tundra, Usa, Wildflower

N.A., USA, Alaska, Iditarod Trail Doug Swinly races his dog sled in the 1994 Iditarod

N.A., USA, Alaska, Iditarod Trail Doug Swinly races his dog sled in the 1994 Iditarod sled race (Editorial Usage Only)

© Paul Souders / Danita Delimont, Agent

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Model head of the dinosaur, Tyrannosaurus rex

Tyrannosaurus rex. Model head of the carnivorous dinosaur, Tyrannosaurus rex. Rows of dagger-like teeth line the open jaws of this life-size model as it prepares to attack its prey. Tyrannosaurus rex (the name translates to: "King of the terrible lizards") was one of the largest and most fear- some dinosaur predators. It lived during the Mesozoic period some 65-75 million years ago. As a two-legged carnivore it could pursue its prey by running on powerful hindlegs; its jaws and teeth were adapted for meat-eating and could inflict terrible wounds. Tyrannosaurus rex reached 12 metres in length. Photographed at the Natural History Museum, London

© DAVID PARKER/SCIENCE PHOTO LIBRARY