Dogs fall chasing cats and intruders, thrown objects and departing owners.

The male stands upright with his neck extended when advertising, but will also call when chasing intruders on the ground or in flight.

"Tell him we're chasing intruders and repairing damage, with a full report to follow," answered Riker.

As time passed, he became a knight who is chasing intruders out of his native country.

The Red-headed Myzomela actively defends food trees, engaging in aggressive bill-wiping both in response to a threat and after chasing intruders from a tree.

Adults vigorously maintain large territories, chasing away and nipping intruders, including humans.

It is constantly on the move, hovering and hawking when feeding, and constantly chasing intruders at food sources.

Calls include witt or witt-witt and a loud splee-plink when excited (or trying to chase intruders away from the nest).

The males are mainly responsible for territorial defense, although females will also chase intruders when she cares for dependent pups.

Dominant male salmon defend their redds by rushing at and chasing intruders.