Why Dogs Stick Their Heads Out Of Car Windows | Pets: Wild At Heart | BBC Earth

Ever wondered why dogs stick their heads out of car windows? It’s because of their highly tuned senses of smell - and for these Parisian pups, it’s love at first sniff! Subscribe: #PuppyLove #PetsWildAtHeart #BBCEarth Watch more: Planet Earth Blue Planet Planet Earth II Planet Dinosaur