Bronze Pikmin

A Bronze Pikmin is the first stage its life cycle that includes: Bronze Pikmin (Bud), Silver Pikmin (Leaf), and Gold Pikmin (Flower). All three stages sink in water.

Phisical Description
The Bronze Pikmin's body is well, bronze with a normal leaf.

Onion
The Bronze Pikmin has a ruby onion outlined with gold.

Birth
This Pikmin isn't created the same way as other pikmin are, you have to mine him/her from the Cave of Origin which first appears in the Fanon game Pikmin: Gold/Silver/Bronze

Mine Ability
The Bronze and Silver Pikmin are the only ones that can use this ability. It is the only way you can obtain more pikmin from the Cave of Origin