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Hovasaurus

Madagascar's Triassic water-runner

Tree Viper (Bamboo Viper)

Hook-tailed hunters of African forests

Pit Viper

Heat-sensing hunters with hidden fangs

Viper

Hinged fangs, hidden hunters

Spiny bush viper

Spines in the leaves, fangs in reserve

Io Moth

Big eyes. Bigger bluff.

Armored Catfish

Armored grazers of the Americas

Vampire Crab

Small crab, big attitude.

Cory Catfish

Armored, whiskered, and social

Giant Weta

Big bug, bold survivor.

Robber Flies

Hawks of the insect world

Jewel Beetle

Nature's living metalwork

Neon Tetra

Half-red stripe, full neon glow

Crocodile Monitor

New Guinea's whip-tailed tree hunter

Dobsonfly

Big jaws, clean streams, short adult lives

Downy Woodpecker

Big woodpecker energy-mini size.

Tufted Titmouse

Crested whistler of eastern woods

African Golden Cat

The rainforest's hidden cat of many colors

Hawk

Built to see, swoop, and soar

Archaeoindris

Madagascar's lost giant sloth lemur

Viper Boa

Looks like a viper, hugs like a boa.

Executioner Wasp

Big paper wasp, bigger attitude

Tailless Whip Scorpion

Feelers first. Pincers ready.

Brook Trout

Vermiculations in the cold current