A weekend in the longleaf pines: Highland and lowland Ambystoma

pierson_hill

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Pierson Hill
I haven't been able to post here much as of late, but I thought some of you would be interested. This weekend, I kicked off some amphibian surveys in the Redhills Region of south GA/north FL. Most of the region that isn't corn or cotton fields consists of private quail plantations, which collectively house the largest, oldest, and best-maintained tracts of longleaf pine-wiregrass left in the world (only 1.5% of the original ecosystem is left). As such, the area is the last bastion for many upland amphibian species, most notably the Eastern Tiger Salamander.

On a particularly well managed piece of property, I visited two gorgeous ephemeral ponds nestled amid the a breathtaking stand of giant longleaf pine trees.

Pond 1
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Pond 2
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In the open moist margin were plenty of flowering yellow butterworts, with their sticky carnivorous leaves ready to catch their insect prey.
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Pinguicula lutea

And found plenty of these neat-o critters, our primary target:
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A. tigrinum


The following day, I assisted the USFS with some Frosted Flatwoods Salamander (Ambystoma cingulatum) surveys in the Florida panhandle. This Federally Listed species is rapidly declining and the salamanders appear to be occupying fewer and fewer wetlands each year. Despite a really good rainy winter, the salamanders weren't found in several historic breeding sites, which was discouraging.

I did manage to find at least one pond with a few babies.
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And the bonus flower.
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Viola palmata

Hope you enjoyed.
 
Great post. I am extremely envious of you. I would love to find some a. tigrinum up here. Can you post more pics of the larvae?
 
Super! How did you take the partially-submerged photos? I'm guessing you submerged an aquarium into the water?
 
I think that the larvae photos are 3D renders ;]
 
Jen, I guess he haves a submersible camera. I have a friend who owns one too and makes a specie of this but in open sea. By the way great pics by the water meniscus effect;).
Cheers,
Jorge
 
Thanks for the replies everyone. The partially submerged photos were taken with a Canon 40D dslr housed inside a EWA Marine underwater housing. It took a bit of following the larvae around in the water on my belly, but I was eventually able to pull of the shots I wanted.

caudatadude28 said:
Great post. I am extremely envious of you. I would love to find some a. tigrinum up here. Can you post more pics of the larvae?

I know Tigers are extremely abundant in southern Wisconsin, but the only Ambystoma I've seen personally in the north woods has been A. maculatum. I'll try and post some more larval photos eventually, but I don't have any handy at the moment.
 
Another shot of an Eastern Tiger Salamander larva, approx. 3" TTL. They have enormous heads relative to their body size compared to most other Ambystoma larvae.

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