Height 3/4" Width 2 1/8" Weight 2 oz. You can hear the tree frog's song if you are lucky enough to be in a woods near water during midsummer. There are many varieties of tree frogs, some with interesting attributes. The Canyon Tree Frog can change its color from brown or black to pale pinkinsh gray. Tree frogs' voices and songs vary widely, with each kind having its unique sounds. Frogs are the heralds of abundance and gertility, likely because they will come out of the water after a rain. They teach us patience and confidence that we will come into our own power.