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Discontent -

This lion looks like he's received some bad news.

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Agitated - Even a goose can get down and dirty when it wants to.

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Irate -

This snake is slender, smooth, and sinister.

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Incensed - Here's the business end of an angry eel.

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Poker-faced - The day just doesn't seem to be going right for this fed up chimpanzee.

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Upset -

If you upset a hippo, they'll send in the heavy mob. 

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Disgruntled - Sometimes even a muscular, hefty English bulldog doesn't like getting its paws wet.

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Bothered - You got something to say? This buffalo is in no mood for chit-chat.

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Piqued - This tiny hummingbird looks lost in thought.

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Bedraggled - This is what happens when a praying mantis forgets its umbrella.

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Miffed - I mean, did I ask for a shower? A picture that speaks volumes as to why cats don't like water.

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Bewildered - For this goldfish, seeing is believing!

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Morose - Has this monkey received some bad news or what?

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Dejected - Soaked through, this pony could probably use a towel and comb.

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Worried -

Looks like this pug is waiting for its exam results.

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Exasperated - A vocal zebra voices its displeasure.

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Outraged - An attacking swan doing its torpedo impression.

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Preoccupied - This young polar bear seems to have a lot on its mind.

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Marauding - Fancy an argument with this fuming mountain lion? Thought not.

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Overzealous -

An otter proudly shows off its new dentures.

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Angry birds -

These two birds seem to be having a marital dispute.

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Perturbed primate -

This poor fellow is extremely preoccupied with something.

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Tied up -

Do you ever just go around in circles with a problem and end up tying yourself in knots?

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Duvet day -

Someone just needs to go back to bed and try again tomorrow.

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Damp and disorientated -

What the heck just happened?

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Talk to my agent -

This model is simply not in the mood.

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Caught in a trap -

This is how mice must feel...

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Social anxiety -

This pooch looks sheepish in more ways than one.

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Just out of reach -

So near, and yet, so far...

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All by myself -

Celine Dion is definitely playing in this bear's head.

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Laughing stock -

A horse that truly knows the difference between someone laughing with you and someone laughing at you.

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Oh boy -

When you realize the catnip is stronger than you thought.

See also: Having a bad day? These photos are guaranteed to help

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