As children, many of us heard the fairy tale of “The Three Little Pigs.” The first little pig built his house of straw. When the wolf came, he huffed, and he puffed, and he easily blew the house down.

Pigs are among the most intelligent and emotionally complex domestic animals, yet millions live in restrictive industrial farming conditions. This National Pig Day feature explores pig intelligence, ...

This week’s shot is of Stacey the Saddleback pig keeping warm in a fresh bed of straw. It was submitted by Bex Walter, a final year vet student, who also farms with her partner Liam in Dorset.