Palak
Despite their large size, hippopotamuses can hold their breath for up to 5 minutes underwater due to their semi-aquatic lifestyle.
Beavers are adept swimmers and can hold their breath for about 15 minutes underwater, aided by dense fur.
While primarily terrestrial, polar bears are strong swimmers and can hold their breath for up to 2 minutes while swimming for prey.
Despite their large size, elephants are surprisingly good swimmers and surprisingly, can hold breath for about 30 minutes underwater.
Kangaroo rats are desert-dwelling rodents known for their water-saving adaptations, but they can hold their breath underwater for up to 30 minutes if needed.
Sloths are not known for their swimming abilities and can hold their breath for about 40 minutes underwater but avoid water.
Raccoons are proficient swimmers and can hold their breath underwater for about 5 minutes.