Carnivore
Diet centered on other animals, from insects and krill to large prey, caught with teeth, beaks, talons or tongues.
Greenland Shark
The longest-lived vertebrate known to science, growing under a centimeter a year, with females not sexually mature until at least 156 years old, give or take 22.
Grey Heron
A fish-eater that usually hunts by standing still, then generally swallows its catch whole.
Gulper Eel (Pelican Eel)
A huge gape, a mouth that first unfolds and then inflates, and a glowing tail tip.
Harris's Hawk
The desert wolf of the sky that hunts in cooperative, matriarchal tactical family packs.
Hellbender
North America's biggest salamander, breathing mostly through its own wrinkled skin instead of its lungs.
Honey Badger
A roughly 9 kg mustelid with loose skin, a muscle receptor that impedes snake toxin binding, and cobras among its prey.
Humpback Anglerfish
The female wears a lure on her snout and can swallow a fish longer than herself.
Iberian Lynx
The tufted-eared rabbit specialist of Iberia's scrubland that clawed its way back from fewer than 100 cats.
Immortal Jellyfish
A bell up to 3.3 millimetres wide that can turn back into a polyp instead of dying, in the lab at least.
Jaguarundi
Weasel-shaped cat with a bigger vocal repertoire than any other cat in its range, active by day while the margay works nights.
Japanese Giant Salamander
Up to five feet of living river boulder that breathes through its skin, hunts by smell and vibration, and gives off a peppery smell when stressed.
King Penguin
Sub-Antarctic penguin with an orange neck patch reaching its upper breast, second largest of all penguins, and a deep diver: tracked birds have gone past 240 meters.
Least Weasel
Weighing as little as 30 grams, it kills prey larger than itself and can eat over half its own body weight in a day.
Leatherback Sea Turtle
The only sea turtle with no hard shell, and big enough to keep its core warm in near-freezing seas.
Leopard
A 21 to 75 kg big cat that climbs up to 15 m into a tree carrying its kill, out of reach of lions and hyenas.
Leopard Seal
The serpentine apex hunter of Antarctic pack ice with a reptilian gape and teeth that double as krill sieves.
Lowland Streaked Tenrec
A black-and-yellow striped Madagascan tenrec, roughly 125 to 280 g, with back quills that rub together to make high-frequency sound.
Mahi-Mahi
A gold-and-blue ocean sprinter that can pass 4 feet long in its first year.
Mimic Octopus
The octopus that acts out toxic animals, and seems to pick the impression to suit the threat.
Moon Jellyfish
A see-through pulsing bell that ranks among the most energy-efficient swimmers on the planet.
Narwhal
Deep-diving Arctic whale whose spiral tusk can grow up to 9.8 feet and may double as a sensory tool.
Nile Crocodile
An armored crocodile whose skin is more touch-sensitive than a primate's fingertips.
Northern Pike
A freshwater ambush predator that lies cocked in an S, then strikes with a sprint.
Ocelot
Dark spots that sometimes link into chains across golden fur, on a solitary night hunter whose eyes see much better in the dark than ours.