Most species described as phorusrhacid birds were smaller , 60-90 cm ( 2.0-3 .0 ft ) tall , but the new fossil belongs to a bird that probably stood about 3 m ( 9.8 ft ) tall .
Most species described as phorusrhacid were smaller , 60-90 cm ( 2.0-3 .0 ft ) tall , but the new fossil belongs to a bird that probably stood about 3 m ( 9.8 ft ) tall .