Aslan, #CMZoo four-year-old African lion, knows how to yawn with authority. | Cheyenne Mountain Zoo

A lion’s yawn might look lazy, but it’s actually an important behavior. When a lion yawns, it helps stretch its jaw muscles, increase oxygen intake, and signal to others that it’s time to wake up or wind down. In the wild, yawning can also be a social cue within the pride—often seen before a group gets up to move or hunt. Plus, that wide-open mouth and big teeth make it an unforgettable sight! Video #1 credit goes to @lenandluke Feel free to explore the gallery of these pages, where you can expr