![]() ![]() Small animals and reptiles sold at PetSmart (including, guinea pigs,.Love may be in the air, but it's so rarely fulfilled.The following pets are permitted in PetSmart stores provided the pets areĪppropriately secured (leashed or safely confined) and vaccinated (as appropriate for the particular type of The streets of Paris may be full of romantic promise, but pet dogs are seldom in control of their destiny. It's love at first sniff.įor dogs, being a passenger rivals any wild experience, but it can be tinged with disappointment too. His tongue takes the odour to a second smell organ in the mouth, hardwired to the brain and tuned to these sexual pheromones. Licking helps capture more of her alluring scent. But that's not all.Ī male can smell a female in heat at concentrations of one part in a trillion. This two-way current helps a dog gather scent almost continuously. As the expelled air rotates, it helps draw more scent into the nose. Dogs breathe out through the side slits in their nostrils. Schlieren photography visualises the air currents that carry odours and shows the remarkable workings of a dog's nose. There is a way to bring their smelly world to life. A single chemical aldehyde found in blood makes this one-time hunter drool. They home in on those with special significance. Predictably, most are about food.įorty times more of their brain than ours is devoted to deciphering smells. ![]() They use it to unravel stories about the world around them. We have a measly six million smell receptors, but a dog's nose contains 300 million. While we are obsessed with visual landmarks, they focus only on scents. And for such intelligent animals, you can't beat a road trip. For dogs too, getting out and about excites their wild senses. ![]()
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