Why are there talking animals in Ramayana but not in Mahabharata?

From: Harendra

How come in Ramayana monkeys, birds (Garuda) etc were able to talk to human beings and vice versa and even Garuda’s brother was able to talk to monkeys like Jambavant and Angad ? But this type of incidents are not found in Mahabharata? Does it not prove that Ramayana is a kind of mythology and children s story?