Hyla cinerea

Tree frogs are a diverse group of arboreal amphibians found on every continent except Antarctica, with the highest diversity in the Americas. Their adhesive toe…

Iguana iguana

The green iguana is the largest lizard of the Americas and a magnificent arboreal herbivore that spends most of its life high in the forest…

Alouatta seniculus

The red howler monkey holds the distinction of being the loudest land animal on Earth, with calls that carry over 5 kilometers through dense Amazonian…

Oncorhynchus mykiss

The rainbow trout is among the most prized freshwater fish in the world, admired both by anglers and ecologists for its athletic power and stunning…

Boa constrictor

The boa constrictor is one of the largest snakes in the Western Hemisphere, a supreme ambush predator that dispatches prey not with venom but with…

Erethizon dorsatum

The North American porcupine is a large, slow-moving rodent instantly recognized by its coat of roughly 30,000 hollow quills. It is the only New World…

Geococcyx californianus

The greater roadrunner is a ground-dwelling cuckoo of North American deserts and chaparral that prefers running over flying, reaching speeds of 32 km/h to outpace…

Melanoplus differentialis

The differential grasshopper is one of the most powerful jumpers relative to body size in the animal kingdom, capable of leaping over 20 times its…

Branta canadensis

The Canada goose is one of North America’s most recognizable waterfowl — a large, long-necked bird with a distinctive black head and white chin patch.…

Crotalus atrox

The western diamondback rattlesnake is one of the most recognizable venomous snakes in North America, found across the deserts and scrublands from California to Texas…

Malaclemys terrapin

The diamondback terrapin is the only North American turtle adapted to live in brackish water, inhabiting coastal salt marshes, estuaries, and tidal flats along the…

Ambystoma mexicanum

The axolotl is a critically endangered Mexican salamander that retains its larval aquatic form throughout its entire life — a phenomenon called neoteny — never…