Everyone knows that dolphins are wicked smart. They're extremely social and even communicate amongst themselves. But they're also always available to lend a helping hand to humans and other species. Here are some of the ways.

We all know tales of bomb sniffing dogs and their bravery, or horses that charged soldiers valiantly into battle, but there have been so many other super smart animals that have served our country throughout the years. Give them a medal!

Don't let their cute little faces fool you; these police puppies are serious about learning how to be the top dog on the squad.

When she was just a baby, 5-year-old Alida Knobloch was diagnosed with an extremely rare lung disease. Luckily, Alida has Mr. Gibbs to help her!

The title “Man’s Best Friend” is usually reserved for dogs, but that doesn’t mean they have the market cornered on service animals. Here are 9 other companions who are indispensable aids to their owners—no woofing required.