S4 E5 ∙ Incredible Shells ∙
David Attenborough examines nature's most fascinating creatures. A look at animal shells that have proven to be winners in evolution.
All episodes for series 4 of Attenborough's Natural Curiosities
S4 E1 · Animal Frankensteins
A look at the animal kingdom's bizarre hybrids, including the pizzly bear!
S4 E2 · Finding the Way
This episode features creatures who have an incredible ability with directions.
S4 E3 · Extreme Babies
A look at some of nature's extreme babies, including giant pandas and kiwis.
S4 E4 · Curious Counters
David Attenborough examines animals that can count, including a German horse named Hans.
S4 E5 · Incredible Shells
David Attenborough investigates animal shells that have proven to be winners in evolution.
S4 E6 · Ferocious Fighters
This episode looks at Siamese fighting fish, a creature that fights its own reflection.
