SRD:Hieracosphinx

Combat
Hieracosphinxes can make short work of even the most dangerous opponents with their claws. They are not particularly intelligent, but are cunning enough to dive at their enemies from above with their flying ability.

Rake (Ex): Attack bonus +13 melee, damage 1d6+2.

Skills: Hieracosphinxes have a +4 racial bonus on Spot checks.

See Wikipedia Entry: Sphinx