Tag: South America

News Bite: Crazy croc diversity in the ancient Amazon!

In a study published in the Proceedings of the Royal Society B, Rodolfo Salas-Gismondi and other paleontontologists described the crocodiles from a gigantic wetland that predated the Amazon. Ten million years ago there was the giant Purussarus, the duck-billed Mourasuchus, the tube-snouted gharial-like croc, a coyote-like croc similar to Paleosuchus, and three new crocs with broad teeth perfect fo …

Filed under: Amazon, Cenozoic, Crocodiles, Ecology, Fossils, Miocene, New species, Paleontology, South America, Weird animals, evolution

Quick Bite Field Guide: Weird Whales and Swimming Sloths

Marine mammals are fascinating beasts and the subject of our latest Quick Bite episode! Whales, manatees, seals, otters…they’ve all gone back to the water and evolved all kinds of spectacular adaptations to making a living in a soggy setting. Toothed whales evolved an ability to “see” the underwater world around them using echolocation – basically sonar – to track prey with high-pitched sounds a …

Filed under: Cenozoic, Cetacea, Convergence, Eocene, Field Guide, Fossils, Functional Morphology, Marine, North America, Oligocene, Paleontology, Pliocene, Podcast, South America, Xenarthra, dolphin, echolocation, marine biology, ocean, porpoise, sloth, whale

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