13 Facts About Dogs


Dogs classified the domestic dog as Canis familiaris and, on the next page, classified the grey wolf as Canis lupus.

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Dogs are the most variable mammal on earth with around 450 globally recognized dog breeds.

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Dogs are susceptible to parasites such as fleas, ticks, mites, hookworms, tapeworms, roundworms, and heartworms, which is a roundworm species that lives in the hearts of dogs.

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Dogs are vulnerable to some of the same health conditions as humans, including diabetes, dental and heart disease, epilepsy, cancer, hypothyroidism, and arthritis.

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Dogs bear their litters roughly 58 to 68 days after fertilization, with an average of 63 days, although the length of gestation can vary.

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Dogs generally show reduced fear and aggression compared with wolves.

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Dogs inferred the names of novel things by exclusion learning and correctly retrieved those new items immediately and four weeks after the initial exposure.

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Dogs had learned the names and could associate by verbal command over 1,000 words.

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Dogs can read and react appropriately to human body language such as gesturing and pointing and human voice commands.

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Dogs were introduced to Antarctica as sled dogs, but were later outlawed by international agreement due to the possible risk of spreading infections.

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Dogs perform many roles for people, such as hunting, herding, pulling loads, protection, assisting police and the military, companionship and aiding disabled individuals.

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Dogs suffer from the same common disorders as humans; these include cancer, diabetes, heart disease and neurologic disorders.

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Dogs were depicted to symbolize guidance, protection, loyalty, fidelity, faithfulness, alertness, and love.

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