Breath Weapon (Su): Either a line of lightning 5 feet high, 5 feet wide, and 5x5x40 feet long or a cone of repulsion gas 20x20x20 feet long. It cannot use either breath weapon until 1d4 rounds later. Lightning damage 2d6, Reflex half DC 14; gas damage Will save (DC 14) or be compelled to do nothing but move away from the dragon for 1d6+1 rounds. This is a mind-influencing compulsion enchantment.

Spell-Like Abilities: At will - speak with animals. These abilities are as the spells cast by a 1 level sorcerer (save DC 12 + spell level).

Immunities (Ex): All dragons are immune to sleep and paralysis effects. All bronze dragons are also immune to electricity.

Water Breathing (Ex): A bronze dragon can breathe underwater indefinitely and can freely use its breath weapon, spells, and other abilities while submerged.

Blindsight (Ex): Can ascertain creatures by nonvisual means (mostly hearing and scent, but also by noticing vibration and other environmental clues) with a range of 30 feet.

Keen Senses (Ex): Sees four times as well a human in low-light conditions and twice as well in normal light. It also has darkvision with a range of 100 feet.