Animals Defend Their Territory

Invertebrates which show territorality include some ants and bees, and the owl limpet
Spraying
Spraying (also known as territorial marking) is behavior used by animals to identify their territory. Most commonly, this is scent marking, accomplished by depositing strong-smelling chemicals such as urine at prominent locations within the territory. Often the scent contains carrier proteins, such as the major urinary proteins, to stabilize the odors and maintain them for longer.