Academy of Natural Sciences of Drexel University

Grid Over the T. Rex  Grid Over the T. Rex Tyrannosaur Talons  Tyrannosaur Talons Deinonychus Antirrhopus Skull  Deinonychus Antirrhopus Skull
Deinonychus Among the Tenontosaurus Tilletti  Deinonychus Among the Tenontosaurus Tilletti Avaceratops Lammersi  Avaceratops Lammersi Huge Torosaurus Latus Skull  Huge Torosaurus Latus Skull
Osprey on a Branche  Osprey on a Branche Kiang Running on the Tibetan Plateau  Kiang Running on the Tibetan Plateau Like a Painting  Like a Painting
Warthog Skull  Warthog Skull Walrus Skull  Walrus Skull Cape Buffalo Face  Cape Buffalo Face
Kongoni Staning on the Serengeti Plain  Kongoni Staning on the Serengeti Plain Zebra, Topi and Wildebeest onthe Serengeti  Zebra, Topi and Wildebeest onthe Serengeti Aoudads of North African Barrens  Aoudads of North African Barrens
Adax in the Desert of Borkou in the Sarhara  Adax in the Desert of Borkou in the Sarhara White Oryx in the Desert of Borkou  White Oryx in the Desert of Borkou Tall Polar Bear  Tall Polar Bear
Dall Sheep in the Alpine Tundra  Dall Sheep in the Alpine Tundra Caribou on the Tundra  Caribou on the Tundra Polar Bear With Seal Kill  Polar Bear With Seal Kill
Simian Skeletons  Simian Skeletons Owl Butterfly on a Banana Slice  Owl Butterfly on a Banana Slice Colobura Dirce on a Fruit  Colobura Dirce on a Fruit
Cool Triangles on the Tree Nymph  Cool Triangles on the Tree Nymph Hanging Tight  Hanging Tight Giant Moth  Giant Moth
Hecale Longwing on a Big Green Leaf  Hecale Longwing on a Big Green Leaf Heliconius Cydno at Rest  Heliconius Cydno at Rest Owl Butterfly on the Wall  Owl Butterfly on the Wall