Bird's nest ferns need moisture around their roots and a protected central crown, with repotting handled gently when necessary. Choose a container that fits the root ball and avoid treating the crown as a clump of separate shoots.
Protect the growing center
A bird's nest fern carries its fronds in a central rosette. Handle that center carefully when moving or repotting the plant. Old damaged fronds can be removed individually without pulling at the healthy crown.
Balance moisture and drainage
Choose bright indirect light and a container with drainage. Keep useful moisture around the roots, but do not let the pot stand in collected water. A large container with little root growth can stay wet much longer than expected, so match the pot to the root ball.
Repot for a reason
Check whether the roots or growing medium actually need attention before repotting. Move the root ball gently and avoid cutting the crown apart as if it were a clump of separate plants. Propagation methods should be checked for the particular species and growth form. A simple repot should preserve the fern's existing growing point, then allow it to settle in a stable, sheltered position.
Related reading: Boston Fern Care: Keeping Fronds Green Indoors.