In 24 traps containing only pups, they found killed mice and other prey items outside the traps, apparently left by the parents for their young. (nps.gov)
That being said, we do not know if jackals would still prefer livestock over other prey species such as mice.» (sciencedaily.com)
The eel moved in for the kill — but flushed out other prey for the grouper. (newscientist.com)