My father-in-law found this snake in his garden this morning. We are wondering what it is? I am researching but no success yet, any ideas? I have other pictures with its markings. Thank you.
From the picture, I can not make a definate determination. Here are a couple of links to snake pictures. Since you or your father-in-law saw it close enough to take the picture, you would be the only ones that could definately determine.
This looks like a Water Moccasin or Cottonmouth, but it is actually a non-venomous species known as the Diamondback Water snake. They have evolved to resemble poisonous snakes so other, bigger predators will leave them alone. However, they are still very nasty, and when provoked, will take a hunk of flesh.
Notice how he arches his neck when provoked, and how the head itself is "diamond" shaped, closely resembling that of a viper. This is a much calmer Ribbon Snake. This one has green stripes, but they come in many different colors. Debbie Columbia, SC
It helps to identify the region where the snake was found. The photo was too low resolution to make a positive i.d., but I think one of these may be your snake --- good news, if so, because they are both non-poisonous. My bet is on the "rat snake" Your snake clearly lacks rattles, so is not a rattler.
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