Why dogs stick their heads out of car windows
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Transcript
For dogs too, getting out and about excites their wild senses. And for such intelligent animals, you can't beat a road trip. While we are obsessed with visual landmarks, they focus only on scents. We have a measly six million smell receptors, but a dog's nose contains 300 million.
They use it to unravel stories about the world around them. Predictably, most are about food.
Forty times more of their brain than ours is devoted to deciphering smells.
They home in on those with special significance. A single chemical aldehyde found in blood makes this one-time hunter drool.
There is a way to bring their smelly world to life. Schlieren photography visualises the air currents that carry odours and shows the remarkable workings of a dog's nose. Dogs breathe out through the side slits in their nostrils. As the expelled air rotates, it helps draw more scent into the nose. This two-way current helps a dog gather scent almost continuously. But that's not all.
A male can smell a female in heat at concentrations of one part in a trillion.
Licking helps capture more of her alluring scent. His tongue takes the odour to a second smell organ in the mouth, hardwired to the brain and tuned to these sexual pheromones. It's love at first sniff.
For dogs, being a passenger rivals any wild experience, but it can be tinged with disappointment too.
The streets of Paris may be full of romantic promise, but pet dogs are seldom in control of their destiny.
Love may be in the air, but it's so rarely fulfilled.
© BBC
Hello, everyone. I have a cat. Her name is Chupadora. She is a very fuzzy cat, fluffy and very elegant. She is 4 years old. But don't make her appearance bewitch you, because this cat sometimes transforms into a demon and does many naughty things. She sometimes bites me and scratches me, but in the end, she is a great and beautiful kitty to have in the house.
I live in a village and have a few dogs; whenever I go out at night, they become my bodyguards. I wondered why they bark at night when there is no visibility, until I read this and watched the video. The superpower of a dog is its sense of smell.
excellent video !!!
All tests are win
yes, when l was a kid ,l had a cat its name was lucky and i'm so lucky to have her in my house because she was so active and beautiful ,and she always licked me and she is devoted to me her scent is so good l miss her so much
yes, I had a parrot. I love them. I feel like someone was waiting for me while she was at my home.
Dogs are wonderful because they decipher the world through their sense of smell.
No, I've never had a pet before as I don't have any stable apartment or home. If I own a house as my home, I'd love to have a pet. It would be a lovely puppy. Puppies are attracted to me whenever I see them around. I always try to touch and hug my friends and students' puppies. They are friendly and adorable so I can't help but love them. I think I can feel relieved to have a talk to puppies.
Are fish considered pets? I don't know, but the only pet I have at home is a betta fish. I named it Cipi, it's light blue.
I have three dogs.