Laurel Nana Adjei Boadum has been diagnosed with a congenital heart defect: a hole in the heart (DORV with VSD) and a narrowed pulmonary artery (pulmonary stenosis) is currently battling for his life.

The best part is that they're entirely different dog breeds! Zulu's little brother looks like a Build-a-Bear version of her. Once you see it, you'll never be able to unsee it. Take a look!

Plenty of heart-stopping moments follow as the cub struggles to reach its mother, patiently waiting above. The cub leaves long trails in the snow where its claws have dug in to stop slipping too far ...

There he is, cheering on the Black Bears, chatting with and high-fiving strangers, imploring Maine to shoot, and dancing a perfect victory jig. NESN shared a link to Kayla's video to its Facebook ...

A sneak peak of a new episode of National Geographic's Incredible Animal Journeys shows two polar bear cubs exploring the outdoors for the first time Kelli Bender is the Pets Editor at PEOPLE.