Females and young males are green with square blackish spots on the abdomen. This camouflage make them very hard to see in the vegetation along the river. After spotting this one I saw two more deeper in the grasses.
Bittern Marsh Trail next to the river at Lake Lewisville Environmental Learning Area. https://sites.google.com/site/trailsofde...
Lewisville Lake Environmental Learning Area. http://www.ias.unt.edu/llela/main.htm