I did some poking around and it looks to me like pack generally refers to animals that hunt and herds are generally subject to predation by pack animals. The collective benefits of herd behavior vs pack behavior appear to also be distinct, with packs demonstrating a higher degree of social structure or hierarchy.
Bulls can lick their own balls.
Source: I grew up on a farm.
Also, cows have a lot in common with dogs, behavior wise. I think it comes with being herd animals.
To be fair… everyone who can or could do that will!
This prompted a question I’d never consciously considered. Is the difference between pack and herd just predator vs prey?
Different animals have different collective nouns;
I did some poking around and it looks to me like pack generally refers to animals that hunt and herds are generally subject to predation by pack animals. The collective benefits of herd behavior vs pack behavior appear to also be distinct, with packs demonstrating a higher degree of social structure or hierarchy.