It’s Monday. There’s no way around that fact. And while our Canadian friends are off celebrating Victoria Day today, the rest of us still had to get up and trudge into work this morning—like it or not.

That’s left most of us feeling kind of like this little celebrity:

So if you’re feeling a bit grumpy this morning, take solace in the fact that humans and animals alike feel your pain! And none more than the 25 critters below, who are clearly suffering from a serious case of “The Mondays.”

Scroll down and enjoy (but don’t let it show):

To see more animals on 500px, be sure to check out our Animal category by clicking here. And if you’ve got your own Grumpy animal at home, upload a picture of them to 500px and drop a link in the comments!