Pair Bond Durations

Transient

Brief associations lasting only for copulation with no extended pair bond

1,413 Animals

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Numbat

Striped termite specialist of Australia

Zebra Shark

Striped youth, spotted adulthood

Scorpion Fish

Beautiful camouflage, serious spines.

River Turtle

Old shells, living rivers

Axolotl

Forever young, forever regrowing

Chameleon

Eyes apart. Tongue like lightning.

Bullfrog

Big frog. Bigger boom.

Pademelon

Little hopper of the forest edge

Tiger Salamander

Vernal-pool tiger, underground traveler

Stick Insect

Nature's living twigs and leaves

Gila Monster

Venom by chew, built for the desert

Tree Frog

Sticky toes, big voices, forest lives

Cuttlefish

Camouflage geniuses with built-in buoyancy

Common Toad

Warty wanderer, springtime pond pilgrim

Molly

Livebearing grazer with brackish grit

Mayfly

Born in water, gone in a day

Fire-Bellied Toad

Flash the belly, live to tell it.

Desert Tortoise

Built for burrows, made for deserts

Spiny Dogfish

Two spines. Slow life. Big schools.

Crab-Eating Macaque

Long tail, big brains, bold foraging

Hermit Crab

Borrowed shells, bold lives

Burrowing Frog

Dig deep. Emerge with the rain.

Moray Eel

Crevice kings with a second bite

Turkey

Strut, gobble, and soar-wild-born.