There’s a little heartthrob stealing the spotlight at Tanganyika Wildlife Park in Kansas. Meet Mars, the chubby-cheeked pygmy hippo calf who’s melting hearts with every splash and snuggle. His playful dives, curious glances, and sweet bond with his mom have quickly made him a fan favorite both at the park and online.

Not long ago, Moo Deng, the lively baby hippo from Thailand, became a global sensation for her adorable antics. While her viral fame has quieted, Mars is now carrying the cuteness crown, charming everyone who meets him with his gentle spirit and joyful personality.

Beyond all the “awws,” Mars has an important role to play. With fewer than 3,000 pygmy hippos left in the wild, he serves as a tiny ambassador for his rare species. His presence helps raise awareness and reminds us how love and care can protect even the smallest creatures.

This February, as love takes center stage, Mars reminds us that sometimes the biggest hearts come in the smallest, squishiest packages.