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Description
We now have the small theropod dinosaur Achillesaurus from Argentina! For a long time, alvarezsaurids (the group of dinosaurs that Achillesaurus belongs) were once thought to be flightless birds! However, after scientific analysis, it was found that they actually had more in common with maniraptoran dinosaurs, including ornithomimids, than birds.

I was tossing up between completely covering this guy with feathers, or leaving it mainly featherless. I decided to go for a display arrangement, with the males having extravagant head and tail displays, as well as a fleshy dewlap haha.

There is also no available images or sketches of any fossil material of this dinosaur online, so I unfortunately could not recreate it for my infographic this time.

As always, I hope you enjoy, and feel free to leave your thoughts! 😁

Description
We now have the small theropod dinosaur Achillesaurus from Argentina! For a long time, alvarezsaurids (the group of dinosaurs that Achillesaurus belongs) were once thought to be flightless birds! However, after scientific analysis, it was found that they actually had more in common with maniraptoran dinosaurs, including ornithomimids, than birds.

I was tossing up between completely covering this guy with feathers, or leaving it mainly featherless. I decided to go for a display arrangement, with the males having extravagant head and tail displays, as well as a fleshy dewlap haha.

There is also no available images or sketches of any fossil material of this dinosaur online, so I unfortunately could not recreate it for my infographic this time.

As always, I hope you enjoy, and feel free to leave your thoughts! 😁