Spider-Frogs! They enjoy jumping about when full up on fruits. They'll be able to reproduce without them though, so they may be able to survive any hungry creatures gobbling them up in droves.
Note: Sometimes when jumping high Spifroos may clip through ceilings(like the lower lever norn meso one), which gets them in a state of forever falling. Don't worry, they'll die of old age eventually.
1.2: Many Fixes and Improvements