Ents:

Pic #1: Treebeard
Pic #2: Birchseed
Pic #3: Lindenroot
Pic #4: Quickbeam
Pic #5: Forest Guardian
Pic #8: Treebeard
Pic #9: Ash Ent
Pic #10: Beech Ent
Pic #11: Birch Ent
Pic #12: Linden Ent
Pic #13: Oak Ent
Pic #14: Rowan Ent
Pic #15: Willow Ent