Pink Yoshi standing
Piranha Grove is a level in Yoshi's Story. It features many Piranha Plants, and sub-species of them.
Ending
The Yoshis knew the woods, but they had never seen a place like the jungle. For the first time, the Yoshis saw Piranha Plants, the kings of this jungle. One plant could swallow the Yoshis whole, so they left the jungle in a hurry.