Utah says it’s open season on the bullfrog Since the bullfrog is an invasive species, the DWR says that it’s open season all year round on the amphibian and there’s no limit to the number ...

Utah Department of Natural Resources officers, Utah Division of Wildlife Resources technicians and personnel from other ...

WOODRUFF: As the bullfrog population went down, you started to hear some of our native chorus frogs again. DANIEL: In other words, once the bullfrogs croak, the native frogs can finally croon.

MR. S. W. FROST had a bullfrog of 200 gm. under observation in a cage provided with a small pond (“The Food ofRana catesbeiana, Shaw”, Copeia, No. 1; 1935). Its feeding capacity is amazing.

THE comparative aspects of the mechanism of oxygenations dependent on molecular oxygen have recently been investigated using the biosynthesis of trimethylamine-N-oxide as a model1. That ...