Cute dogs pictures. 5 things about dogs, you might not know

5 things about dogs, you might not know

1. Not all dogs are equally intelligent
Dogs can be smart as 2-year-old child: it says research presented at the 2009 meeting of the American Psychological Association. Collie capable of understanding up to 200 words, in the lead in the ranking intellectuals dogs and poodles, German shepherds, golden retrievers and Dobermans Completing the top five most intelligent breeds. By the way, the old hunting breeds, such as beagles and bulldogs are at the end of the list, since nature has developed rather their muscles than brains. Cute dogs pictures.

Cute dogs pictures.

5 things about dogs, you might not know

2.Dogs can infect human
Like other animals, dogs can be carriers of pathogens, which are harmful to humans, causing rage and neurological diseases. People can become infected with Salmonella bacteria from dogs and parasitic worms Ascaris, just stroking the hair of infected animals. Therefore, in order to prevent need to wash hands thoroughly after each contact with a dog.

Cute dogs pictures

5 things about dogs, you might not know

3.Dogs feel envy
According to a study published in the journal «Proceedings of the National Academy of Sciences», when dogs get some encouraging, others left without reward, worried, scratching themselves and prefer not to look at the awardees relatives. A similar situation occurs in the event that some dogs received as sausage promoting and others — a bread.

Cute dogs pictures

5 things about dogs, you might not know

4. Dogs do not have a sense of guilt
«Puppy dog ​​eyes» of your pet — it is simply a response to the reproach, regardless of whether the dog is actually guilty or not. Experiments confirmed that this penetrating look at the reality does not reflect any introspection

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5.Poslushnye dogs live longer
In a study published in June 2010 in The American Naturalist, compared the energy consumption, the growth rate and lifespan of 56 dog breeds. Scientists have discovered that the representatives of the bold, aggressive breeds, died young. However, they grew faster than obedient, more capable of training a dog, and had higher energy needs.

Cute dogs pictures. 5 things about dogs, you might not know

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