A noxious creature associated with the Basilisk, it has the head of a rooster, a barbed tongue, and the tail of a snake that ends with a deadly stinger.
The Amphysian Cockatrice has an additional head at the end of its tail instead of a stinger, sometimes the long tail is knotted.
It's born from a chicken's egg hatched by a serpent, has poisonous breath and can kill with one look from its eye.
See Also: Creatures by Type » Dragons
Vinycomb, John. Fictitious & Symbolic Creatures in Art. London: Chapman & Hall, 1906.