How Do Dogs Smell?

Specialised filming technique known as Schlieren photography shows how smell not only plays a part in searching for food in the dog world but also in romantic liaisons. Clip from our BBC/PBS series Pets Wild at Heart. First Premiered Wednesday 28th January, 2015 on BBC 1. Narrated by David Tennant Series Directed by John Downer Music by Will Gregory Subscribe now to our channel and see more clips from Pets - Wild at Heart including: Puppy Love - The Cute Puppy Adopted by a Cat: Ninja Hamster - Golden Hamster Stealthily Escapes his Cage: Underwater Diving Dogs: