Ingo Arndt / Galapagos Land Iguana (Conolophus subcristatus) sunning individual, Isabella Island, Galapagos Islands, Ecuador

Pete Oxford / Katydid (Steirodon sp) close-up showing ear on front leg, western slopes of the Andes, Ecuador

Pete Oxford / Katydid (Steirodon sp) on human hand, western slopes of the Andes, Ecuador

Pete Oxford / Katydid (Steirodon sp) on human hand, western slopes of the Andes, Ecuador

Pete Oxford / Katydid (Steirodon sp) portrait on branch, western slopes of the Andes, Ecuador

Pete Oxford / Katydid (Copiphora brevicauda) close-up portrait, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca riobambae) tadpole with back legs developed, Andes Mountains, Ecuador

Pete Oxford / Marsupial Frog (Gastrotheca riobambae) tadpole underwater, back and front legs developed, Ecuador

Winfried Wisniewski / Flightless Cormorant (Phalacrocorax harrisi) portrait, Galapagos Islands, Ecuador

Winfried Wisniewski / Sally Lightfoot Crab (Grapsus grapsus) close up portrait, Galapagos Islands, Ecuador

Mark Moffett / Large Ground Finch (Geospiza magnirostris) feeding, endemic species, extra large bill for cracking large seeds, largest of Darwin's 13 Finches, Santiago Island, Galapagos Islands, Ecuador

Pete Oxford / Wild Horse (Equus caballus) in open grassland, Andes Mountains, Ecuador