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Biology student at ULM. I'm interested in any field related studies such as Herpetology, Mammalogy, Ichthyology, etc.
I take that back, this little fellow has vertical pupils so not very Canyon Treefrogish... sorry.
Most likely a Nerodia sp. Which one is hard to tell from this.
I would be comfortable calling it a treefrog, which one however I have not clue.
Those enlarged toepads make me think a treefrog.
These guys are ticky and usually are ID'd by a process of elimination of what they are not. But the mid-dorsal strip, oval parotoid glands and cranial crests seem to sugest Woodhouse's Toad which are common in canyons.
This appears to be a juvenile. Its more of an educated guess since I do not have a herp guide for that area.
Its either a Blue-spotted Salamander (Ambystoma laterale) or a Spotted Salamander (Ambystoma maculatum). Juvenile Spotted Salamanders sometimes do not have their spots yet making them look like other salamanders.
It could also be a Hyla avivoca, it is hard to tell for certain from the photo without looking at the underside of its hind legs. If the legs are bright orange or yellow it is definately Cope's Grey Treefrog, if they are green or yellowish white then it is most likely a Hyla avivoca - Bird-voiced Treefrog.
Sometimes called Needle-nose Gar as well I think.
I want to say some sort of Gekkonidae sp.