Penguins & whales are two group separated by 325 million years, yet they share a strange commonality:
Neither has the ability to see the color RED.
Let's talk about what that says about their shared evolutionary history. 🐧🐋🧪
Alt: Gentoo Penguin's World Penguin Day Stare: a closeup of a gentoo penguin's head, black with a white patch above the dark eye. The beak also has dramatic coloration, orange wrapped in black.
