Trachemys gaigeae
—
Mexican Plateau Slider
Subspecies I've seen:

T. g. gaigeae
Big Bend Slider
Trachemys gaigeae gaigeae
—
Big Bend Slider


I was in Texas along the bank of the Rio Grande when I saw these turtles, but the turtles were in Mexico along the bank of the Rio Bravo.

This tiny baby turtle was in a shallow pool at the edge of the Texas side of the river.
Printed references:
- Conant, R., Collins, J. T. 1998. Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Third Edition, expanded
- Crother, B. I. (ed.) 2017. Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with Comments Regarding Confidence in Our Understanding, Eighth Edition
- Ernst, C. H., Barbour, R. W. 1989. Turtles of the World