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Patron Mini-Episode Compilation #7
One of the benefits our Patrons can receive is a personalized mini-episode on an animal of their choice! Every now and then, we throw them together into a compilation for all to enjoy! As always, an enormous thanks to all of our wonderful P
Episode 238 - Osteoderms (Skin Bones)
Some bones are only skin deep! In many species of reptiles, mammals, and amphibians, bones called osteoderms develop within the skin, serving as body armor, additional muscular support, display features, or any number of other functions. Th
Pok-É – Koraidon and Miraidon
Welcome ... to Pok-É! This year is the 30th anniversary of the Pokémon franchise, so we’re picking some of our favorite Legendary Pokémon and speculating upon how they – or something like them – might evolve in real life, pulling inspiratio
Pok-É – Zygarde
Welcome ... to Pok-É! This year is the 30th anniversary of the Pokémon franchise, so we’re picking some of our favorite Legendary Pokémon and speculating upon how they – or something like them – might evolve in real life, pulling inspiratio
Episode 237 - The Dinosaur Renaissance
In the mid-to-late 20th Century, dinosaurs received a major makeover in their scientific and popular image. This episode, Riley Black takes us through the timeline of the Dinosaur Renaissance. We discuss some of the big scientific milestone
Pok-É – Giratina
Welcome ... to Pok-É! This year is the 30th anniversary of the Pokémon franchise, so we’re picking some of our favorite Legendary Pokémon and speculating upon how they – or something like them – might evolve in real life, pulling inspiratio
Pok-É – Lugia
Welcome ... to Pok-É! This year is the 30th anniversary of the Pokémon franchise, so we’re picking some of our favorite Legendary Pokémon and speculating upon how they – or something like them – might evolve in real life, pulling inspiratio
Episode 236 - Chalicotheres
The Cenozoic Era was home to many unusual ancient mammals, but few so strange as the “gorilla-horses,” the ungulates that swapped their hooves for claws, chalicotheres. This episode, we discuss the features that make these animals distinct
Episode 235 - Aquatic Plants
All plants need water, but some take it to the extreme. This episode, Dr. Aly Baumgartner joins us to explore the many life strategies of plants that live in the water. We’ll discuss the adaptations that allow them to lead an aquatic lifest
Episode 234 - Snails and Slugs
From deep-sea trenches to your home garden, gastropods (snails and slugs) are among the most diverse and successful groups of animal life in Earth history. This episode, we’ll explore what makes these animals distinctive, we’ll touch on the
End of the Year Q&A 2025
Happy New Year! Please enjoy our annual question-answering marathon, now longer than ever! Thank you so much to everyone who listens, shares, and supports the podcast. Check out our website blog posts and more: http://commondescentpodcast.c
Episode 233 - Flies and Mosquitoes
Of all the highly successful and capable flying insects in the world, few are as successful or capable as those in the order Diptera. This episode, we’re joined by special guest Brandon Strauss to discuss the distinctive anatomy and varied
Episode 232 - Vertebrate Origins
Today, bony animals are some of the most diverse organisms on Earth, but it wasn’t always that way. This episode, we explore what features distinguish vertebrates from their closest relatives, and we dive into the abundant evidence from gen
Episode 231 - Back to the Water (Secondarily Aquatic Vertebrates)
Nearly 400 million years ago, an unusual group of fish gave rise to the first land-dwelling vertebrates. Since then, their descendants have repeatedly moved back into the water. This episode, we explore the many ways these species adapt to
Episode 230 - Pachycephalosaurs
The dome-headed dinosaurs are some of the most iconic ancient reptiles, but they’re surprisingly unexplored compared to other dinos. This episode, we explore what makes these dinosaurs unique, what limits our understanding of them, and the
Silver Screen Science - Jurassic World: Rebirth (2025)
In this special guest episode of Silver Screen Science, we're joined by Sabrina and Garret of I Know Dino to discuss the science and scientists of the newest installment in the Jurassic franchise: Jurassic World: Rebirth! Find more Common D
Cute-E – Pikmin
Welcome … to Cute-E! During our Spook-E series, we speculate on the evolution of monsters from myth and popular media, but we leave out fiction’s more adorable creatures. In Cute-E, we choose cuddlier critters and discuss how they – or some
Episode 229 - Myrmecophagy (Ant-Eating)
Generally speaking, it’s not a good idea to mess with ants. But several lineages of animals have evolved to be ant-eating specialists. This episode, we discuss anteaters, the suite of adaptations that allow them to focus on ant-eating, and
Spook-E – Metroids
Welcome ... to Spookulative Evolution. Spook-E Season is back! All throughout October, we pick monsters from myth and media and speculate how they – or something like them – could evolve here on Earth, pulling inspiration from real-world sp
Spook-E – Kremlings
Welcome ... to Spookulative Evolution. Spook-E Season is back! All throughout October, we pick monsters from myth and media and speculate how they – or something like them – could evolve here on Earth, pulling inspiration from real-world sp
Episode 228 - Dinosaur Provincial Park
Located in southeastern Alberta is a stretch of gorgeous badlands that are home to some of the world’s absolute best Late Cretaceous fossils. This episode, we explore how Dinosaur Provincial Park earned its designation as a UNESCO World Her
Spook-E – Octoroks
Welcome ... to Spookulative Evolution. Spook-E Season is back! All throughout October, we pick monsters from myth and media and speculate how they – or something like them – could evolve here on Earth, pulling inspiration from real-world sp
Spook-E – Piranha Plants
Welcome ... to Spookulative Evolution. Spook-E Season is back! All throughout October, we pick monsters from myth and media and speculate how they – or something like them – could evolve here on Earth, pulling inspiration from real-world sp
Episode 227 - Beaks
The faces of vertebrate animals are often soft and full of teeth, but there is a common alternative. Birds, turtles, and many more groups have developed toothless snouts covered in a tough sheath. This episode, we’ll explore the defining fe
Episode 226 - Dodos
Dodos are probably the single most famous case of recent human-induced extinction. First documented in the late 1500s and extinct within a century, dodos have become a global reminder of the devastating potential of human activity. This epi
Episode 225 - Forests
Forests are among the most widespread and diverse biomes on our planet. This episode, we’re joined by our favorite paleobotanist, Dr. Aly Baumgartner, to explore what defines a forest, how these habitats function, and how they differ around
Episode 224 - Bipedalism
Most vertebrate animals on land get around on all fours, but some of us have committed to two-legged locomotion. This episode, we explore the various ways animals have evolved bipedalism and the many benefits that come with it. We’ll also t
Episode 223 - Mutations
Mutation. It is the key to our evolution. As our cells constantly divide and reproduce and replicate our DNA, errors and inconsistencies develop, leading to the incredible variation of life that drives evolutionary change. This episode, we
Episode 222 - Shrews
On the outside, shrews might seem like standard tiny mammals, but their anatomy and lifestyle are highly specialized. This episode, with help from special guest Derek den Ouden, we explore the diverse habits of shrews, the anatomical featur
Episode 221 - Legless Lizards
Lizards are extremely good at becoming snake-shaped. A long body with small or absent limbs is a shape that has evolved dozens of times across nearly every major lineage of lizards. This episode, we explore the diversity of leglessness in l
