water management

Bactrian camel Camelus bactrianus with a kneeling Dromedary Camelus dromedarius. Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)

Thorny devil Moloch horridus showing spines and a surly expression. Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)

Mallard Anas platyrhynchos ducklings with food and a flat dish with water and marbles in to teach bred ducklings to dabble without fear of drowning