They form large nests (from several hundred to over 300,000 workers), which limits the number of competing nests that can be formed in a given area.
Buds dotted the tree branches, and violets formed nests of purple in the flower beds.
They form nests in dead trees or snags and reproduce once per year.
Ants may form subterranean nests or build them on trees.
They are noted for the skill with which they sew leaves together to form nests.
They form large, domed nests on southerly facing slopes in relatively open woodland.
These ducks do not fly and only rarely form nests and incubate their own eggs.
The Australian hornet is a solitary insect, forming small nests against buildings and other structures.
Adults are solitary and do not form nests or colonies.
During the day, when they are most vulnerable, individuals shelter inside tree holes, sometimes forming nests.