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DID YOU KNOW:


Dogs have cleaner teeth than humans.Dogs were first domesticated from wolves at least 17,000 years ago, but perhaps as early as 150,000 years ago based upon recent genetic fossil and DNA evidence.this time, the dog has developed into hundreds of breeds with a great degree of variation. For example, heights at the withers range from just a few inches (such as the Chihuahua) to roughly three feet (such as the Irish Wolfhound), and colors range from white to black, with reds, grays, and browns occurring in a tremendous variation of patterns.Dogs are highly social animals and this similarity in their overall behavioral pattern accounts for their trainability, playfulness, and ability to fit into human households and social situations.This similarity has earned dogs a unique position in the realm of interspecies relationships. The loyalty and devotion that dogs demonstrate as part of their natural instincts as pack animals closely mimics the human idea of love and friendship, leading many dog owners to view their pets as full fledged family members. Dogs seem to view their human companions as members of their pack, and make few, if any, distinctions between their owners and fellow canines. Dogs fill a variety of roles in society and are often trained as working dogs. Dogs that do not have traditional jobs, a wide range of dog sports provide the opportunity to exhibit their natural dog skills. In many countries, the most common and perhaps most important role of dogs is as companions. Dogs have lived with and worked with humans in so many roles that their loyalty has earned them the unique sobriquet "man's best friend."


Lifespan / Longevity


Longevity in domestic dogs depends on the care they receive, their

breed, and body size.


In general, larger breeds have shorter lifespans.


Many giant dog breeds average only 7 or 8 years, while some small

terrier breeds might live as long as 20 years.


The average lifespan for mixed-breed and midsize dogs is about 13 to 14

years. The longest-lived dog with reliable documentation died at 29 in

1939.


Habitat


Domestic dogs are found in association with humans worldwide and in a wide variety of habitats. Their wild ancestors, gray wolves romed in northern hemisphere continental areas, including North America and the Palearctic

These animals are found in the following types of habitat:

temperate: that region of the Earth between 23.5 degrees North and 60 degrees North (between the Tropic of Cancer and the Arctic Circle) and between 23.5 degrees South and 60 degrees South (between the Tropic of Capricorn and the Antarctic Circle).


tropical: the region of the earth that surrounds the equator, from 23.5 degrees north to 23.5 degrees south.


polar: the regions of the earth that surround the north and south poles, from the north pole to 60 degrees north and from the south pole to 60 degrees south.


terrestrial: living on the ground.


Puppy Behavior


Dogs are very energetic as pups, particularly between 3 months and 1 year old, and some remain nearly as active and playful all their lives. Puppies love to play with toys and run, which helps muscle and bone development and improves their cardiovascular condition.

Publication Date: 03-30-2011

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