1, frogs and bullfrogs are different in size: in comparison, bullfrogs are larger than frogs, and adult bullfrogs can weigh up to 3 pounds, and their body length is double that of frogs.

2, the appearance of different: frogs have spots on the body, the color is also very dark, the back is generally very rough, while the bullfrog is just the opposite, the back is very flat and smooth, there is no skin wrinkles, and can also be eaten.

3, the two calls are also different: bullfrogs are louder than frogs.

Expanded:

Note:

The fieldfowl hibernates. After the hibernation period, this stage of pre-breeding of fieldfares is very important. The body consumes a lot of nutrients during hibernation, and the supply of nutrients is very important. At this time you can provide the field chicken essential food, small insects, earthworms and other small fresh food.

After the hibernation period, the chickens will breed and hatch, and the breeding environment of the chickens is very important, and a special spawning pond is more effective for the chickens to breed. Field chicken breeding period of immunity is relatively poor, weak ability to fight against viral infections, this time the need for comprehensive disinfection and sterilization of the hatching pool to ensure a good breeding environment.

Baidu Encyclopedia - Field Frogs

Baidu Encyclopedia - Bullfrogs