nest
structure built by animals to hold their young
bird nest
nest for bird eggs
bee tree
tree in which a colony of bees reside
egg sac
protective web of spider silk in which an arachnid lays her eggs
drey
nest of a tree squirrel or a flying squirrel
termite mound
hive of termites
bubble nest
nest built by some fish species to contain their eggs
lodge
shelter used by bears and boars