You probably don’t see too many spiders outside in the winter– where do they all go? They don’t go inside– most house spiders spend their entire lives indoors. Instead, many outdoor spiders that live in cold climates have adaptations that allow them to survive the winter. Their blood contains a chemical that keeps them from freezing, sort of like anti-freeze for a car. Many spiders also become less active in the winter, which is part of why you might not see them.
The arctic wolf spider is a good example of an arachnid that can survive freezing temperatures. They live in the far north in places like Greenland. Arctic wolf spiders are hunters and can grow as big as 1.6 inches long– which might seem small until you see one making its way towards you!
Photo by D. Sikes