I could not find a good picture for you.
Black and white diamond back snake.
All the other snakes you said no to were all from the region.
This snake likes open grassy areas but also woodland desert foothills streams canals and swamps.
This snake looks much like the black rat snake with a black body and white chin.
There are two dark diagonal lines on each side of its face running from the eyes to its jaws.
However black racers are usually smaller and tend to have more white markings than rat snakes.
A row of large brown to sandy brown diamond shaped blotches lines the back.
The tail has black and white bands just above the rattles.
There are two dark diagonal lines on each side of its face running from the eyes to its jaws.
The one diamond back was an eastern diamond back rattler which is venomous.
As a juvenile it would be ready to shed and does have some patterning on the back.
This nervous snake will readily bite in its own defense though it causes little damage.
It lives in elevations from below sea level up to 6 500 feet.
It has dark diamond shaped patterns along is back.
They are non vemomous but can be very obnoxious is challanged.
Black 2 white 2 tail bottom scale divided yes 67 no 2 tail plain black no 143 yes 14 tail rings none 119.
The western diamondback rattlesnake or texas diamond back crotalus atrox is a venomous rattlesnake species found in the southwestern united states and mexico it is likely responsible for the majority of snakebite fatalities in northern mexico and the greatest number of snakebites in the u s.
Black striped snake contia tenuis sharptail snake crotalus adamanteus eastern diamondback rattlesnake.
Juveniles are white to gray with brown or black spots.
Adults have a black body with a white chin and throat and a white or pale yellow belly.
Red diamond rattlesnake crotalus scutulatus mojave rattlesnake crotalus tigris tiger rattlesnake.
The western diamondback rattlesnake crotalus atrox is a heavy bodied snake with a triangular shaped head.
Rodents are their main food source which explains their name.
Black rat snakes have skin showing around their scales which makes a small white diamond pattern.
It has dark diamond shaped patterns along is back.
Not a picky animal.
The higher above sea level it lives the thinner its stripes tend to be.
Some living in the mountains are completely black.
The common kingsnake normally has sparse chain like white bands.
The egg laying nonvenomous snake hibernates and often enters homes because it is good at climbing.
Of black gray and white with no truly distinguishable pattern although to some it may appear slightly diamond shaped.
Rat snakes also eat frogs birds and eggs.
The western diamondback rattlesnake crotalus atrox is a heavy bodied snake with a triangular shaped head.
Black racer adults have a black body with a white chin and throat and a gray to almost a bluish gray colored belly.
That ws the first.
The blotches have dark edges are often outlined in cream or pale gray and are peppered with dark speckles.