I would caution against the use of "murder" so loosely. Lions don't murder their prey. They kill their prey. Murder occurs when one entity with personhood intentional kills another entity with personhood, where personhood is rooted in the ability to comprehend reality (intellect) and the ability to make free choices among comprehended alternatives (free choice). "Murder" thus has a moral dimension that mere killing does not. Personhood is the seat of moral agency; without personhood, murder simply cannot take place, only killing, and it is a category error to ascribe moral goodness or evil to an act committed by a non-person. A spider eating another spider of the same species isn't murder; it may very well be the nature of that species to function that way.
(Entailed also by personhood is social nature. So, murdering another person is bad, because it is opposed to the very nature and thus good of the murderer. It's why killing in self-defense and the death penalty for murder are themselves mere killing, but not murder. Justice is served against the injustice of the gravely antisocial.)
From a game theoretic perspective w.r.t. just resources, murder does not generally pay especially given the social nature of a species given how antithetical it is to the social, but even if it does in some constrained sense, there is a greater intangible loss for those with personhood. Speak to almost anyone who has murdered someone. They will tell you that it changes them drastically, and not in a good way.
Why do you think that we can define personhood without much understanding of the interior life of anything other than humans? Why do you think personhood is even required for murder? Does your pet have enough of whatever makes personhood important to qualify? How about the source of your blt?
Murder is a crime, homicide is the act. A lion doesn’t murder because it isn’t capable of breaking human law, but it can sure commit a homicide.
Not on a gazelle. The great apes are at least hominids, so I can't complain about it being called "homicide", but a gazelle gets ... bovicide?
I'm not sure that the word formally exists yet, which implies that if you can popularize it then you could be first to the punch!
"My God, look at the hooves, this was bovicide without any doubt."
I think that 'hom' in homicide stands for homo so killing of (hu)man. I read your comment as lions committing homicide on hyenas which I'm sure you don't mean.
An act is composed of object (the act itself), intent (the purpose/end motivating the act/toward which it aims) and circumstances (the context).
Thus, murder is a species of homicide. The specific differences of murder relative to homicide is that it is voluntary, premeditated, and malicious.
The law merely recognizes this distinction. It doesn't construct some convention around homicide. Indeed, law in general is a particular determination of general moral principles within a particular jurisdiction.
So, a lion doesn't commit murder, because a lion's actions are involuntary and neither malicious nor premeditated. Also, while a lion can kill a person or non-person, it is not capable of homicide, because its meaning specifically pertains to the killing of one person by another.
A lions actions are voluntary and premeditated