Not always. Plenty of animals eat their young.
Male lions kill the offspring of other males when they take over a pride from a weaker male.
Plenty of humans kill their young with abortion. Hell, even some strap bombs to them. Does this make them any more civilized or more human? It makes them much less so - - SUB-EFFING-HUMAN!!!
GET OVER IT AND STOP BEING AN APOLOGIST FOR THE SUB-HUMAN SCUM IN THE WORLD!