Knifefish
Life in South America, powered by volts
Life in South America, powered by volts
Giant hunter of the Amur
Permian sailback-before dinosaurs
Permian powerhouse of the ponds
The terrible-handed wetland omnivore
Largest skies, long-necked hunter
Bird-hand ruler of Cretaceous skies
Miocene mega-caiman of South America
Jurassic hunter of the Morrison
The beaked survivor of Earth's worst crisis
Permian armor, plant-powered
Built like a bipedal battering ram
The giant straight-tusked titan of Ice-Age India
Heavyweight of the Paleocene
Hateg's giant sky-stalker
Plush coat, big squeaks, gentle charm.
The runway model of guinea pigs
Claws that shape freshwater worlds
Curly-coated worker: land and water.
Thailand's White Gem with jewel eyes
The Ozarks' star-spotted rock bass
Orange teeth, big impact on wetlands
Orinoco's long-snouted river giant
Iran's lightning-footed onager
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