The phrase "aggressive displays" is correct and usable in written English.
It can be used to describe actions or behaviors that are forceful or confrontational, often in a context related to animals, sports, or interpersonal interactions.
Example: "The dog exhibited aggressive displays when it felt threatened by the approaching stranger."
Alternatives: "hostile behaviors" or "confrontational actions".
Repeated measures analysis of variance followed by the least significant difference (LSD) pairwise comparisons test were used to compare urination frequency (values transformed by log (x + 1.5)) during non-aggressive behaviours, aggressive displays and high aggression by neighbouring males.
Overall, urination frequency was significantly higher during aggressive displays and symmetrical high aggression than during non-aggressive behaviours.
During each observation trial we counted i) instances of intraspecific aggression, including both fights and aggressive displays, and ii) breeding attempts and copulations.
The behaviours were grouped into the following behaviour classes: non-aggressive behaviours (e.g. swimming), submissive behaviours (escape from an aggressive opponent or submission postures), aggressive displays and symmetrical high aggression (biting or chasing each other in a circle interrupted by mouth-fighting).
Overt attacks might be more variable because they depend on the behaviour of the intruder whereas aggressive displays may rather reflect the 'intrinsic' aggressiveness of an individual.
In all cases when both males released urine during symmetrical aggression without the emergence of a loser or winner, high urination frequency occurred immediately before the aggression or soon after the start of aggressive displays.
The observed aggression levels throughout the day decreased with subsequent observations days for both aggressive displays (P < 0.01) and chase behaviour (P = 0.04), indicating that it takes between 5 and 19 days to establish a stabile social relationship within a vixen pair.
All boobies, regardless of birth order, instantly responded with aggressive displays.
Agonistic (aggressive) displays usually occur near the borders of a territory.
These are aggressive displays of the primal male, stripped of all material signs of civility.
In aggressive displays, opposing males lean forward with tails fanned, meeting bill to bill.
