Basilosaurus
The long-bodied king of Eocene seas
Mating System Types
Polygynandry
Mating system where multiple males mate with multiple females within a social group
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Animals
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Polygynandry Animals
Tylosaurus
Ram-snouted ruler of Cretaceous seas
Brontosaurus
Thunder lizard, science icon
Brachiosaurus
The high-shouldered sky-browsing sauropod
Short-Faced Bear
Big legs. Short face. Ice Age titan.
Livyatan
Big-toothed terror of the Miocene seas
Python
Big squeeze, bigger diversity.
Iguanodon
Thumb-spiked titan of Early Cretaceous
Diplodocus
Jurassic icon with a double-beam tail
Sarcosuchus
Super-sized river stalker of the Cretaceous
Leopard Shark
Spots of the surf zone
White Shark
Warm-bodied ruler of the blue
Shortfin Mako Shark
Warm-blooded speed in the open sea
Blacktip Reef Shark
Black tip. Bright reef. Loyal patrol.
Malchi
Tiny mix, huge devotion.
American Wirehair
The steel-wool sweetheart
Sphynx
Warm-hearted cat in a velvet suit
Nuralagus
The Balearic King Rabbit
Tusoteuthis
The deep sea's long-armed giant
Norway Rat
Built for cities, born to burrow
Palm Rat
Ports, palms, and perfect climbing.
Tree Viper (Bamboo Viper)
Hook-tailed hunters of African forests
Pit Viper
Heat-sensing hunters with hidden fangs
Viper
Hinged fangs, hidden hunters