Episode 250 - Camels
Aug 16, 2026 · 2h 21m
Summary
Episode 250 of The Common Descent Podcast explores the biology, adaptations, and fossil history of camels, a long-requested topic. The hosts also discuss recent paleontological news, including how gastrolith shapes reveal dinosaur digestive strategies, a new early aquatic archosaur relative, and why non-avian dinosaurs lack extremely small species. Additionally, they cover a study proposing that the evolution of animal feces played a crucial role in fueling the Cambrian explosion by enhancing ocean nutrient cycling.
Topics discussed
Introduction and episode overview
Patreon shoutouts and upcoming events
News: Gastroliths and herbivorous theropods
News: Oonaga, an early aquatic archosaur
News: Why dinosaurs lack tiny species
News: The role of fossilized poop in the Cambrian
Modern Old World camels: anatomy and adaptations
Modern New World camels: llamas and alpacas
Camel dentition, lips, and spitting behavior
Early camel evolution in North America
Miocene adaptations: feet, gait, and open habitats
Giant Miocene camels and proto-humps
Camel migration to Europe, Asia, and South America
Pleistocene extinctions and modern conservation
Patron questions: scratching backs and duck vs horse
Outro and listener requests
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