We have recently completed a MediaWiki update - There are a few issues that shall be ironed out in the coming day. Please be patient with any current errors.
Druidic Binding (3.5e Feat)
From D&D Wiki
Druidic Binding [Binding]
Prerequisite: Knowledge (Nature) 5, Elemental Binding Class Feature
Benefit: At level three a Binder can bind Animals and Plants with 1 HD or less. At level five Animals and Plants of 5 HD or less. Level ten, Animals and Plants of 10 HD or Less. Level fifteen, Animals and Plants of 15 HD or Less. Level twenty, Animals and Plants of 20 HD or Less.
Normal: Normally a binder can't bind Animals and Plants.
Special: Can be taken by a Binder as a Bonus Feat.