noun
territorial behavior
Zoological term for behavior by which an animal defends a territory.
オオカミの縄張り行動は、群れの生存に重要だ。
The territorial behavior of wolves is important for the pack's survival.
縄張り means 'territory' or 'turf', while 縄張り行動 refers specifically to the behavior of defending or marking that territory.
Compound of 縄張り (なわばり, 'territory') and 行動 (こうどう, 'behavior').