Mallard duckling Anas platyrhynchos with marbles
![Mallard Anas platyrhynchos duckling natural history illustration by Lizzie Harper](https://lizzieharper.co.uk/wp-content/uploads/2018/09/ducklings-and-marbles-anas-platyrhynchos-500x367.jpg)
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
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