Daleport996 said:
Speaking of, why is there a lot of foxes? I feel like it's almost the default species for furries in general. I have no idea. Even I don't know why I chose a red fox as my fursona.

Couple potential answers and it's probably a mix of a few:
Foxes tend to be characterized as cute and intelligent,
The first online furry generation grew up in a time when Disney's "robin hood" was the only high-quality furry media they had (later appearances like Nick Wilde would also lead to a boom in the furry population), as they made content, younger furries likely got into the space seeing more foxes, dogs, and wolves than anything else and were thus the idea of fox hood was more often suggested to them.
Foxes, wolves, and dogs all tend to be the most common of fursonas. Among these, foxes are the only ones with naturally occurring bright red colorations.
I'm sure there are more reasons but that's what makes sense to me.