Hello! This is just a random idea I got!
A grub trunk is a large fallen tree that is a tree trunk's height, and takes about 5 spaces. It is hollow inside, and has a decaying appearance. A grub trunk can fit baby niches and lean bodied creatures in it, however some grub trunks can be occupied by ram foxes or baby bearyenas, making it a bit risky unless you have well prepared nichelings.
-Beaked nichelings can collect grubs from the grub trunk.
-Nichelings with two nimble fingers c