Following the example of the ‘happypotamus’ featured in the Mail recently, there are lots of other creatures which also boast a funny bone.
Amazingly, scientists believe chimps, dogs and even rats are capable of laughter - and that the ability to laugh came before speech in humans.
From delighted dolphins to amused apes, something’s certainly put a smile on these animals’ faces...
The 'happypotamus' as featured in the Mail recently: The smiling hippo has become an internet sensation
Hamming it up: A Vietnamese pot-bellied pig goes for the belly laugh
Pullover the other one: This sheep looks decidedly happy, and check out those teeth
Ribbit-ticklingly good: Why is tree frog looking so smug? And could I have one of these for my garden please?
Whee, this is fun! The brown bear can certainly see the funny side of taking a tumble
Lazy grin: A sloth smiles at a private joke between naps
What a hoot! This snowy owl is positively 'owlin with laughter
Awww: Two polar bears grin and bear it as true happiness is a cuddle between mother and cub
Never smile at a crocodile: Perhapos this snap happy croc is thinking about his next snack
Trunk in charge of a joke: A giggling elephant seal looks momentarily lost for words
What a toothy grin: The mirthful marmot shows his true feelings
Did you do that on porpoise? Like any flippant flipper this bottle nose dolphin likes telling jokes
I like monkeying around: Jungle fever has got this chimp chortling
Life's a beach: A pair of contented sea lions nestle together in the Galapagos Islands
Who's a funny boy then? This parrot fish grins from, erm, gill to gill
Haw haw haw: Bray that again Mr donkey
Kings of the swingers: This orangutan mother and baby are tickled...orange