Human beings are much more dangerous than the creatures mentioned in the thread so far. I guess that means the most dangerous animals in my area are my neighbours.
So, either one suffers a heat stroke or has one's brain eaten. On bad days both may happen, and the lucky amoebas have their food cooked.We have amoebas that literally eat your brain. Yum, yum.
Foir example, the hot springs in Jemez Springs NM has them, and every year one or two people become infected. And die usually.
Opossums are great for "cleaning" the local pests like ticks and even some snakes (as they are immune to some poisons).Mostly deer ticks