Um... have there times ne question!
Why don't birds fly backwards?
The very young researchers need the knowledge to explain the world "step by step".
A global, building up knowledge fund, as a collecting tank of all animal species in real time. A quasi encyclopedia by tribe, order, genus, species, race, sex, age, origin, development and character should help to get answers to questions, students among themselves as well as school classes among each other.
The recognition of animal voices is another already developed as exciting supports.