Low
The overwhelming majority of life on Earth. Harmless to humans, and frequently far more interesting for it.
Giant Antarctic Sea Spider
A giant sea spider of the Southern Ocean that, like all sea spiders, has no gills, and feeds on open-water animals.
Giant Barrel Sponge
The "redwood of the reef": a pump-feeding barrel that may top a meter, and studies suggest it may live for thousands of years.
Giant Clam
The largest living bivalve gets most of its nutrients from algae living in its flesh.
Giant Ground Pangolin
Overlapping keratin scales, a sticky tongue up to 70 centimeters long, and a defensive ball that's next to impossible to pry open.
Giant Huntsman Spider
A spider found in caves in Laos, with a leg span of up to 30 cm.
Giant Isopod
Deep-sea cousin of the pill bug, with about 3,500 lenses in each eye, that has been reported to survive eight weeks between meals in an aquarium.
Giant Oarfish
A silver ribbon reliably documented to 8 meters, with a red dorsal fin along its whole length, seen swimming upright in the open ocean.
Giant Oceanic Manta Ray
The ocean's largest ray has three pairs of fins, a wingspan of up to 26 feet, and can dive past 1,000 metres.
Giant Pacific Octopus
Three brains, three hearts, blue copper blood, and skin that changes color and texture.
Giant Prickly Stick Insect
A leaf-mimic that sways like a branch in the breeze, and hatches looking like an ant.
Giant Squid
The longest cephalopod. The longest one scientifically verified measured 12 m.
Glass Frog
See-through belly skin that shows off a beating heart, green bones, and a liver that can hide most of the frog's red blood cells.
Gloucestershire Old Spot Pig
Large lop ears, black spots on white, and a history of feeding on windfall fruit in English orchards.
Goat
A domesticated ruminant with rectangular pupils and a digestive system that works nonstop.
Golden Hamster
A 105 g Syrian burrower that keeps night hours in the lab, while wild females were active almost only by day.
Golden Mole
The sand-swimmer with no visible eyes, and a middle-ear bone denser than any other land mammal's on record.
Golden Snub-Nosed Monkey
Narrows the blood vessels in its skin to cut heat loss, then burns 14 percent of its body mass getting through a winter in China's mountains.
Goliath Frog
The largest frog in the world, where males haul rocks to build nests for their eggs.
Goose Barnacle
A crustacean that glues itself to driftwood, buoys and turtles and rides them across the open ocean.
Gouldian Finch
A small Australian finch whose red or black head color traces to one stretch of DNA near the Follistatin gene, and whose chicks hatch with light-reflecting beak nodules that help their parents feed them in a dark hollow.
Great Blue Heron
Waits in shallow water, then strikes with a rapid thrust of the bill
Great Cormorant
A fish-chasing diver with wettable feathers, which has to hang out its wings to dry.
Great Crested Grebe
The diving bird whose courtship runs from paired head-shaking to a breast-to-breast 'Penguin-dance,' and whose chicks ride on their parents' backs.
Great Scallop
Edges its mantle with tiny blue-green eyes and swims by clapping its shell