Knifefish
Life in South America, powered by volts
Pair Bond Durations
Seasonal
Pairs form for a single breeding season and may find new partners next year
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Animals
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Page
Seasonal Animals
Dimetrodon
Permian sailback-before dinosaurs
Eryops
Permian powerhouse of the ponds
Deinocheirus
The terrible-handed wetland omnivore
Quetzalcoatlus northropi
Largest skies, long-necked hunter
Ornithocheirus
Bird-hand ruler of Cretaceous skies
Purussaurus
Miocene mega-caiman of South America
Allosaurus
Jurassic hunter of the Morrison
Lystrosaurus
The beaked survivor of Earth's worst crisis
Vegavis
A polar clue to waterfowl origins
Scutosaurus
Permian armor, plant-powered
Pachycephalosaurus
Built like a bipedal battering ram
Helicoprion
Permian seas' spiral-toothed slicer
Xiphactinus
Not a dinosaur-Cretaceous sea predator
Ozark Bass
The Ozarks' star-spotted rock bass
Orinoco Crocodile
Orinoco's long-snouted river giant
Fire Ball Python
Bright flame, classic ball python calm.
Eagle Ray
Wings that crack shells
Kelp Greenling
Kelp forests' colorful egg-guarder
Vole
Small rodents, big ecosystem impact
Urial
Horns of the high dry hills
Panda Pied Ball Python
Panda contrast, Pied patchwork.
Black Pastel Ball Python
Dark beauty, gentle royal python
Cormorant
Dive deep. Hunt sleek. Dry proud.