Alex Mustard / An adult female California sea lion (Zalophus californianus) head portrait, in a rocky underwater cave. La Paz, Baja California Mexico. Sea of Cortez, East Pacific Ocean. October

Ingo Arndt / Pancake Snail (Veronicella sloanei) eye, Central America

Ingo Arndt / Pancake Snail (Veronicella sloanei), Central America

Kevin Schafer / Baird's Tapir (Tapirus bairdii) in rainforest, Central America

Gerry Ellis / Huntsman Spider (Cpiennius corcineus), Central America

Mitsuaki Iwago / Green Iguana (Iguana iguana) portrait, Central America