If you think you're the ultimate metalhead, you haven't met these heavy metal animals. These odd-looking animals are so edgy they make us want to headbang.

Though some cool animals are just born with naturally rocking colors and features, others have unique traits that make them even metal-er (which is officially a word). Excluding the obvious ones - black animals - goats have long been associated with Satanism due to their disobedient and stubborn nature. Another utterly strange animal, the Texas horned lizard, also known as "horny toads," has the bizarre ability to shoot streams of blood from the corners of their eyes in order to deter predators. Does it really get more metal than that?

Check out our list of hardcore unusual animals below, and add your own if you've got a pet that leans toward the dark side.

#1 

hugh highlander 

#2 

#3 

pinnaclefriesians

#4 

Odd Kjetil Liland 

#5 

Greenfire Farms 

#6 

Naskrecki 

#7 

teddy-bear-the1st 

#8 

Gary M. Stolz 

#9 

#10 

Sonja Probst 

#11 

#12 

ifmb 

#13 

#14 

Miguel Silva 

#15 

Arkive 

#16 

#17 

#18 

Bilal Arslan 

#19 

stooB_Riley 

#20 

Marineparasitology 

#21 

Piotr Naskrecki 

#22 

chris smith 

#23 

David Chapman 

#24 

ZSSD 

#25 

randomtruth 

#26 

Milestoned 

#27 

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