With an average of 15,000 new species discovered every year, it can be tough to keep track. But it's your lucky day: We've compiled 21 of our favorite new scientific finds.

Be sure to click through for our full coverage of each critter! Chickens from Hell, dwarf dragons, and technicolor crayfish await your consideration.

And if you're still hungry for more cute and cool animal pics, we've got you covered. Check out our round-ups of the Twitter hashtags #cuteoff, #junkoff, and #stupidcommonnames, where biologists show off the creature they study.

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The ‘alien’ found in a Russian nuclear power plant is not an alien, guys

Scientists celebrate the weird world of animal genitalia with #junkoff

There’s a new crayfish species and it’s named after Edward Snowden

These newly discovered marsupials basically sex each other to death