I was walking the Sandtown Trail at the Sequoyah National Wildlife Refuge in Oklahoma when I came across a Ratsnake. This snake was coming out of the grass and onto the paved trail. When it saw me it stopped and I was able to get a few photos. I have seen lots of wildlife while walking this trail so I try and walk it when I am at the refuge.
Here is a post I made in reference to a Cottonmouth (Water Moccasin) I photographed on this same day while walking: Cottonmouth In Tall Grass
I was using my Canon EOS 7D Mark II camera with a Canon EF 100-400mm f/4.5-5.6L IS II lens. When I am walking with my camera I use a BlackRapid Camera Strap. As soon as I saw the Ratsnake I started photographing it moving closer and getting lower. I was able to get close and I was sitting on the pavement to get the below photo. After I made a few photos I left it still in the same position.
I was shooting with a shutter speed of 1/640 of a second at f5.6. The ISO was at 1000. I try and keep my shutter speed at 1/640 and above when I am hand holding my camera. I did have my camera braced on my knee and I may have been able to shoot at a lower shutter speed. I didn't think shooting with an ISO of 1000 would produce that much noise being that close to the Ratsnake. I had the exposure mode set at manual with auto ISO and evaluative metering. White Balance was set on auto. I was using single point, continuous autofocus.
Ratsnake - Sequoyah National Wildlife Refuge - Oklahoma