Mississippi Delta

As part of my job I spent three weeks in the alluvial valley of Mississippi sampling amphibians in Wetlands Reserve Program tracts as well as surrounding agricultural lands as part of a much larger effort to determine if the federal program is money well spent and has conservation benefits. I lived at some trailers on Wildlife Refuges in the area, where I also did some herping. Here are some photos from the field.


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Broad Banded Watersnake (Nerodia fasciata)


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Gray Rat Snake (Pantherophis spiloides)


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American Alligator (Alligator mississippiensis)


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The most amazing find of the area deserves a short story. I was walking in shallow (< 0.5 m) water looking down sampling for frogs when I see movement up ahead of me to my right. I look and this large Western Cottonmouth (Agkistrodon piscivorus) [VENOMOUS] had just successfully struck at a passing decent-sized Diamond-backed Watersnake (Nerodia rhombifer). I spent the next five minutes or so observing the watersnake as it writhed for awhile and then fell victim to the cottonmouth. I could not stay to see if the cottonmouth consumed the watersnake but I assumed it would.


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Western Cottonmouth (Agkistrodon piscivorus) [VENOMOUS]


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Newly metamorphosed Pickerel Frog (Lithobates palustris)


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Calling male Green Treefrog (Hyla cinerea)


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Calling male Cricket Frog (Acris crepitans)


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Calling male Green Treefrog (Hyla cinerea)


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Amplectant pair of Green Treefrogs (Hyla cinerea)


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Eastern Narrow-mouthed Toad (Gastrophryne carolinensis)


All images on site are sole property of B.M. Glorioso. To use any images on this site please contact me at:  gloriosob@usgs.gov © 2009