| Rats, stoats, ferrets, cats, and possums have decimated native animals that were unaccustomed to mammalian predators. |
| Over the past thirty years, these unique forests have been decimated by the balsam woolly adelgid, an aphid-like insect introduced from Europe. |
| At the same time some of the native species that were decimated by the Nile Perch, or were even thought extinct, were coming back. |
| There, a Genoese colony was under siege from a khan of the Golden Horde named Yannibeg, when his army was decimated by an outbreak of plague. |
| They decimated the population by introducing diseases such as whooping cough, measles, and smallpox. |
| Whole villages were put to the sword, livestock was slaughtered, crops destroyed and famine and disease decimated the survivors. |
