1.At a similar body weight, the brain of the domestic cat is with 23.9 % lighter than that of the wild cat, that of the dog with 29 % lighter than that of the wolf, and that of the pig 34 % lighter than that of the wild boar.
2.The gut of the wild cat rarely reached 1.5 m (5 ft) in length, while that of the domestic cat usually is 2 m (6.6 ft) long, an adaptation to a less carnivorous diet.
3.Compared to dogs, wolves have smaller orbital angles (>53o for dogs compared with
7 Differences Between Domestic Animals and Their Wild Forebears
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