The best ponds have both shallow and deep areas. Frogs are cold-blooded animals and as the temperature drops, their breathing gradually slows down. What are amphibians? The only vegetation that a frog eats is that which happens to be in the digestive tract of its prey. Larger frogs will eat larger insects like grasshoppers and worms. In the wild, frogs eat a wide variety of insects. In fact, those frog species which hibernate do not eat anything at all in winter. On one hand, you have the leisurely grass eating seen in dogs who savor the greens and enjoy them, on the other hand, you have the almost desperate grass eating seen in dogs who are eating grass with a specific purpose in mind: get relief from an upset tummy. Hibernation: Frogs eat more in summer and spring and less in winter. The largest frog is the Goliath frog which is up to a foot long and can weigh up to 7 pounds and is native to Cameroon in Western Africa. However, in addition they will occassionally eat larvae and ants. The loser says "Grasshoppers eat grass." text = new Array('e','-','m','a','i','l',' ','l','i','n','k');for(i=0;i