Chasing a squirrel hiding between fence slats.
Taken on the east half of Lake Creek Trail in northwest Austin, Williamson County.
I noticed that several birds of several species were alarming in a willow tree and slowly got closer to investigate. Usually when birds are alarming like this I never see what the source of their alarm was, but this time I got lucky. While watching where the birds were looking, I finally spotted this Western Ratsnake in the outer branches after one of the birds was actually underneath the snake and looking up at it! I estimated the snake was 1.5 to 2 feet long. It had a noticeable bulge which I focused on in the fourth photo, from eating something recently.