Wetland

Blacktip Shark 

Black-tipped fins, built for speed.

Bombardier Beetle

Tiny beetle, big chemical comeback

Black Aphids

Tiny bugs, huge plant impact

Tiktaalik

The Arctic "fishapod" in transition

Sea Trout

One fish, two worlds

Sandworm

Bristle worms: engineers of the seafloor

Golden Shiner

The classic golden baitfish.

Dragon Snake (Javan Tubercle Snake, Javan Mudsnake)

Dragon-hide scales in a leaf-litter life

Therizinosaurus

Scythe-clawed plant-eater theropod

Stromatolite

Rocks built by microbes, for eons

Zebrafish

Striped minnow, giant science impact

Cane Rat

Grasscutters of Africa's tall reeds

Golden Trout

The Sierra's living gold

Titanosaur

Cretaceous giants, sometimes armored

Blowfly

Nature's cleanup crew in metallic armor

Eastern Cottontail

Edge-habitat sprinter with a cotton tail

Ocean Pout

Cold-water bottom dweller with antifreeze

Yellow Bass

Striped schools of the Mississippi

Black Bass

Built for the strike, born to guard

Pygmy Rattlesnake

Tiny rattle, vital predator

Redear Sunfish

The Shellcracker Sunfish

Tokay Gecko

The gecko that shouts and sticks

Nile Monitor

Tail-powered hunter of Africa's waters

Mourning Gecko

One gecko can start a colony