Llallawavis Scagliai: A Four-Foot Tall Terror Bird From 3.5 Million Years Ago The new species of phorusrhacids known as Llallawavis scagliai lived in Argentina during the Pliocene period. Its nearly complete skeleton reveals that this terror bird had a limited vocal range with low frequency. by Rhodi Lee
Science Meet Josephoartigasia monesi: Giant Rodent As Big As Buffalo With Tiger-Like Bite by Rhodi Lee