Wyvern

Wyvern's are large winged reptiles with two legs and venomous tails related to Faerie Dragons. They are not particularly smart creatures and are on average only slightly more intelligent than a cat. However they are capable of understanding Draconic and are able to follow complex commands in this language. Wyverns are extremely aggressive and attack anything to either eat or to add to their hoard.

General
Wyverns stand on average at 4.5 meters in height and weight up to 400 kilograms. Their have tails of 2 meters, almost half their body length, which are tipped with a poison gland. Wyverns have two legs on which they stand and posses two long wings made out of their former fore limbs. These wings are covered in long thin fingers between which leathery skin. The wingspan of a wyvern averages at 10 meters in width. Their sleek, strong legs are tipped by 3 sharp claws in the front and a fourth hooked claw at the back. These claws are their primary form of attack and they will only use their poison gland when absolutely necessary as it can not ingest its own poison.