Meat-eating terror birds could grow up to 12 feet tall
Phorusrhacidae - Wikipedia
The evolution and ecology of gigantism in terror birds (Aves ...
The evolution and ecology of gigantism in terror birds (Aves ...
The Last Terror Birds: A review of Phorusrhacids and their Plio ...
Systematic revision of the Phorusrhacidae (Aves: Ralliformes)
A gigantic new terror bird (Cariamiformes, Phorusrhacidae) from …
Systematic revision of the Phorusrhacidae (Aves: Ralliformes)
“Terror Birds” (Phorusrhacidae) from the Eocene of Europe Imply …
Flexibility along the Neck of the Neogene Terror Bird - PLOS