Within a species (eg mating interactions, varieties, etc.).
Term that means "within one species." In the Purple Martin, intraspecific nest-site competition (which is competition between or among Purple Martins for nesting compartments) is one of the major causes of porch squabbles.
Occurring within a species or involving members of one species.
Literally, within the species; and so used to describe differences in appearance or behavior between or among the members of a species.