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37 Photos of Ridiculously Happy Animals Guaranteed to Make You Smile

03/06/2015 06:42 pm ET | Updated May 06, 2015

Smile, it's the weekend! But just in case you had a rough go of it this week and your glass feels more like it's half-empty than half-full, here is a collection of 37 adorable photos featuring animals so ridiculously happy they're guaranteed to send you off into the weekend smiling.

Seriously, if we were in a punny mood we'd call it a smiley back guarantee. So scroll down and just try to keep a grin from spreading across your face as you do... we dare you!

Photograph A brother's love ✪ Chiang Mai, Thailand by David McMasters on 500px

A brother's love ✪ Chiang Mai, Thailand by David McMasters on 500px

Photograph Untitled by Scott  McCook on 500px

Untitled by Scott McCook on 500px

Photograph Llama by Lana Vogel on 500px

Llama by Lana Vogel on 500px

Photograph Smile by Dae-heung Kang on 500px

Smile by Dae-heung Kang on 500px

Photograph " OH REALLY!!! " by Buck Shreck on 500px

" OH REALLY!!! " by Buck Shreck on 500px

Photograph Fox by Pavel Blažek on 500px

Fox by Pavel Blažek on 500px

Photograph I'm watching you by Pasha Ivaniushko on 500px

I'm watching you by Pasha Ivaniushko on 500px

Photograph Cat cuddles by Abbie Clements on 500px

Cat cuddles by Abbie Clements on 500px

Photograph The Smile by Seckin Yilmaz on 500px

The Smile by Seckin Yilmaz on 500px

Photograph Dog birthday party by Jaromír Chalabala on 500px

Dog birthday party by Jaromír Chalabala on 500px

Photograph Smile by Ala Hamdan on 500px

Smile by Ala Hamdan on 500px

Photograph CUTE SMILE by Arslan mughal's  photography on 500px

CUTE SMILE by Arslan mughal's photography on 500px

Photograph smile by Mark Burns on 500px

smile by Mark Burns on 500px

Photograph Crackin' up by Dusica Paripovic on 500px

Crackin' up by Dusica Paripovic on 500px

Photograph Goat Nanny by Sergei K on 500px

Goat Nanny by Sergei K on 500px

Photograph Elephant Fun! by Gary Brookshaw on 500px

Elephant Fun! by Gary Brookshaw on 500px

Photograph Dik-dik's Beauty Shot by Sham Jolimie on 500px

Dik-dik's Beauty Shot by Sham Jolimie on 500px

Photograph Tobi by Olga  Kryvoshei on 500px

Tobi by Olga Kryvoshei on 500px

Photograph 3-At sunset, I sometimes dream that I'm a Rock Star.... by Amine Fassi on 500px

3-At sunset, I sometimes dream that I'm a Rock Star.... by Amine Fassi on 500px

Photograph Enjoy by Alina Shevelina on 500px

Enjoy by Alina Shevelina on 500px

Photograph Happy dog by Nicolai Cebotari on 500px

Happy dog by Nicolai Cebotari on 500px

Photograph Happy by Lucie Pesakova on 500px

Happy by Lucie Pesakova on 500px

Photograph Sleeping Horse in the Sun by Colin Hunter on 500px

Sleeping Horse in the Sun by Colin Hunter on 500px

Photograph A cheetah and his friend by Kenneth Pedersen on 500px

A cheetah and his friend by Kenneth Pedersen on 500px

Photograph Hej! by Ronny  on 500px

Hej! by Ronny on 500px

Photograph Sleepyheads by Olga Gladysheva on 500px

Sleepyheads by Olga Gladysheva on 500px

Photograph Aqua Ice by Goran Kusec on 500px

Aqua Ice by Goran Kusec on 500px

Photograph Hello! by Nuria Diez on 500px

Hello! by Nuria Diez on 500px

Photograph Happy Cub:D by Tyler Shoemaker on 500px

Happy Cub:D by Tyler Shoemaker on 500px

Photograph Smile :) by Ben Robson on 500px

Smile :) by Ben Robson on 500px

Photograph Lea smile by mario forcherio on 500px

Lea smile by mario forcherio on 500px

Photograph Happy Owl by Tetyana Kovyrina on 500px

Happy Owl by Tetyana Kovyrina on 500px

Photograph Dolphins by Giovanni Allievi on 500px

Dolphins by Giovanni Allievi on 500px

Photograph Smiling Moose by Jim Cumming on 500px

Smiling Moose by Jim Cumming on 500px

Photograph Untitled by Travis Childs on 500px

Untitled by Travis Childs on 500px

Photograph Smiling Grizzly by Lindsay Maiko Pflum on 500px

Smiling Grizzly by Lindsay Maiko Pflum on 500px

Photograph Smile! by Angela Louwe on 500px

Smile! by Angela Louwe on 500px

For more smiley animal goodness, click here and go browsing through the happiest animals on 500px.

This article was originally published on the 500px ISO blog.