Pair Bond Durations

Transient

Brief associations lasting only for copulation with no extended pair bond

1,413 Animals

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Chinook Salmon

King of the Pacific salmon runs

Mola mola (Ocean Sunfish)

Clavus, not tail: the ocean's odd giant

Black Rat Snake

Barn-climbing rodent patrol

Flying Snake

Glide the canopy, don't fly it.

Ground Snake

Small snake, big desert hide-and-seek

Stargazer Fish

Eyes up. Mouth up. Strike up.

Red-Lipped Batfish

Walks the seafloor. Fishes with a lure.

Red-Bellied Black Snake

Black above, red below-keep your distance

Batfish

Walk the bottom, lure the bite.

Yellow Anaconda

Paraguay-Paraná's stealthy giant

Tree Snake

Guam's unwelcome night hunter

King Rat Snake

Keeled, bold, and rodent-controlled

Rainbow Shark

All the attitude, none of the shark.

Neptune Grouper

Deep reef royalty in purple and gold

Cat Snake

Cat-eyed climbers of the night

Japanese rat snake

Japan's climbing rodent-hunter

Australian Flathead Perch

Striped reef hider of the Coral Sea

Kinabalu Giant Red Leech

Kinabalu's scarlet forest crawler

Pipe Snake

Built for burrowing, not biting

Baird's Rat Snake

Canyon climber in a blaze of orange

Polka Dot Stingray

Blue spots, reef roots, ribbon tail

Amazon Tree Boa

Amazon's most color-shifting boa

Eastern Coral Snake

Bright bands, hidden life, serious venom

Arizona Coral Snake

Bright bands, hidden life.