I'm assuming this is intentional/RAW, but wanted to double check how others have read it:
Triggers on doing damage
Triggers on a strike hitting (but does not need to do damage)
Bird, Cat, Wolf
Triggers on a strike doing damage.
Positional, movement based
So a badger's support action can be triggered by spells, while Bear, Bird, Cat,& Wolf are only triggered by melee/ranged strikes. (Spell attacks are not strikes under anything I've found). Is this correct?