A Canada Goose threat display may involve head pumping, bill opened with tongue raised, hissing, honking, and vibrating neck feathers. When an intruding goose doesn't retreat, geese may grab each other by breast or throat and hit each other with their wings. Fighting may result in injuries.
|A threat has been detected|
|The challenge is accepted|
|Putting on the breaks|
|For the moment the clash has ended.|
|The threats are being voiced.|
|This is how big I am.|
|I'm just a spectator.|