feral cat
...that the average lifespan of a feral cat who survives kittenhood is two years, compared to 16 years for house cats?
...that the average lifespan of a <b id="mw7w"><a href="./Feral_cat" id="mw8A" rel="mw:WikiLink" title="Feral cat">feral cat</a></b> who survives kittenhood is two years, compared to 16 years for <a class="mw-redirect" href="./House_cat" id="mw8Q" rel="mw:WikiLink" title="House cat">house cats</a>?