Most harbor seals live for around 25 to 35 years. Female harbor seals tend to live longer on average than male seals. However, estimates for seal life spans in captivity and the wild often differ due to the lack of preda... More »

According to National Geographic, a leopard seal can hold its breath for up to 10 minutes. This is due to an adaptation that allows the seal to store an extremely large amount of oxygen within the blood and muscles, abou... More » Pets & Animals Marine Life

Seals protect themselves from predators by propelling through the water when predators threaten them. With their streamlined bodies, sensitive ears and strong flippers, seals can detect predators and swim at high speeds ... More »

Arctic seals, more commonly known as harp seals, are carnivorous animals with average life-spans of approximately 20 years, though some live as long as 30 to 35 years. Harp seals can reach a hefty 400 pounds, and their c... More » Pets & Animals Mammals

Hedgehogs live an average of about seven years. These mammals have pointy spines over most of their body that are used to help keep them alive and safe from predators in the wild. More »

The lifespan of a skunk in the wild is 2 to 4 years, although skunks in captivity have been recorded living up to 15 years. As many as 90 percent of all baby skunks die during their first winter. More »

The average lifespan for a hippo in the wild is approximately 40 years. Hippos are herbivores that weigh from 3,000 to 9,920 pounds as adults. Wild adult hippos consume approximately 80 pounds of grass each night. More »