03/18/2012 02:10 pm ET

Animal Photos Of The Week

There was certainly no shortage of cute animals in the news this week. Interspecies animal friendships made headlines, with a baby chick that naps on a cat's shoulder and the excited puppy playing with two piglets.

If you didn't get enough baby animals, check out these baby otters and these adorable pictures of miniature animals. If cute older animals are more your style, be sure to check out these tips for caring for pets with arthritis.

In other animal news, two koala joeys at the San Diego Zoo received a clean bill of health after their first routine medical examination this week.

Unfortunately, the wolf population of Michigan's Isle Royale National Park is facing extinction, the Associated Press revealed this week. With only nine known wolves and one confirmed female on the island, the population "could die out within a few years."

Check out some of the week's best animal photos from around the world and vote for your favorites below.

Animal Photos Of The Week 3/18/12