Some wild creatures have unique strategies to make themselves predator-proof. How many of these defence mechanisms can you guess?
Photo credits (in order): L. Shyamal / Public domain; Dinesh Valke from Thane, India / CC BY-SA 2.0; Karunakar Rayker from India / CC BY 2.0; Amitrane/Shutterstock; PoojaRathod / CC BY-SA 4.0; Sumeet Moghe / CC BY-SA 3.0; Eliot Ferguson / CC BY-SA 3.0; John Cobb johncobb / CC0