High Temperature: 90F
"Primarily active at night, but does bask in the sun during the day." That describes a new resident of our little tadpole pool. He appeared a few days ago and hangs out on one of the rocks we've placed in the water, or sometimes rests half in, half out (when the sun gets too warm). In the late afternoon he'll sit in the shade thrown onto one rock by a higher rock and stare out into the expanse of the yard, no doubt yearning for something to find its way into his mouth. When startled, he pops back into the green water and disappears into the murk.
I've identified him as a juvenile American Bullfrog (Rana catesbeiana) because he lacks dorsolateral folds (thick ridges that run along the backs of true frogs), and for his coloring. My reference book* goes on to say that the American Bullfrog is the largest frog in the state - a record frog reaching 8" long and weighing in at two pounds. This guy has a long way to go. But reading that a bullfrog like this will eat "anything that will fit in its mouth," he has a chance of challenging that record.
*Over the years I've referenced A Field Guide to Oklahoma's Amphibians and Reptiles, by Greg Sievert and Lynnette Sievert more times than I can count. It's been an invaluable resource.