To maintain these territories males give spatial vocalizations and territorial displays at fixed boundaries.

This reaction is used for territorial displays, to discourage predators, and during courtship.

And then, there was the movement, which seemed almost to come from, well, watching Bonobo monkeys do territorial displays - something really primal.

This dewlap is used in courtships and territorial displays.

Some fruit flies have extensive mating rituals or territorial displays.

It will defend its territory with a quick peck if the territorial display fails.

They may use this for mate attraction and territorial displays.

Masked Titis do have territorial displays throughout the day.

They acquired their common name due to the unusual way that males produce a "cracking" sound as part of their territorial displays.

Some are referred to as territorial displays by the male.