Ogretails are small Aragami introduced in God Eater that boast the largest population out of all of them. Eric der Vogelweid was devoured by one because he let his guard down.
The following information can also be found via descriptions of the Aragami found in the NORN Terminal's database.
God Eater Resurrection
A smaller Aragami with a giant tail sporting an ogre-like face. Mainly devours corpses of other Aragami. Increasing in number in various regions. First appeared on the American continent, and now boasts the largest population of all Aragami. Not particularly difficult to take out when attacking from the side. Still, as its tail-spinning attack is powerful, be wary of it when it braces both legs.
ATK Element: None Weaknesses: Blaze/Freeze/Spark
God Eater 2 Rage Burst
A small Aragami whose tail resembles a demon's face. Usually subsisting on the corpses of other Aragami, it is prolific and found throughout the world. Although new breeds of Aragami have been growing, Ogretail are still the most numerous.If attacked from the side, it falls quickly, However, its tail spin attack is powerful. When it clenches its legs, make sure to back away.