In the case of ties, the tiebreaker is the one that occurs first in: Str, Dex, Con, Int, Wis, Cha. The creature gets a +2 in its highest stat.
Note: Some of this table is from an Open Game License-based product, and some has been derived from the base SRD monsters using the following formula: Humans and monsters can be revised to be members of another race by applying the ability modifiers listed below and granting the indicated features.