The Ontario population has increased dramatically in recent years. It was very rare in Essex County until 1990 but now is widespread and becoming more common each year.
Opossums are active year round.
It is unique among our mammals in having a poisonous bite. The most common species in urban areas and the most likely species to use a bat box. This is the only bat which commonly overwinters in Windsor. Red Bat - Fairly common summer resident of woodlands. This bat can often be seen flying around the Nature Centre at dusk.