action
anger
battle
birds
bitter
brutal
clash
collision
combat
competition
conflict
contention
contradiction
contrary
cruel
dance
dancing
duel
engagement
feathers
fierce
fight
fighting
game
gaze
impact
interspecific
inverse
match
montanus
opposite
opposition
passer
rage
rivalry
rush
ruthless
severe
sparrow
sparrows
spreaded
stare
stretched
struggle
tree
tug
wild
wings
wrath