What do the duck-billed platypus, antarctic toothfish, and sleepy lizard have in common? They exist, they're weird, and it is evolution's fault. In this episode, Sean and Nathan take a very very small survey of weird wildlife and some of the evolutionary forces behind their oddness.Check out our patreon page! www.patreon.com/petridishContact us about corrections and/or questions at petridishpod at gmail.comRate us on iTunes (we're up on iTunes now!), and/or check us out on Stitcher, Google Play, Spotify, or whatever dude. References:https://advances.sciencemag.org/content/2/10/e1601329https://www.cell.com/current-biology/fulltext/S0960-9822(08)00665-9https://onlinelibrary.wiley.com/doi/full/10.1002/dvdy.23887https://www.pnas.org/content/94/8/3485https://onlinelibrary.wiley.com/doi/full/10.1562/2006-02-24-IR-813https://jeb.biologists.org/content/213/12/2048