Why are wild animals so muscular?

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Looking at shaven bears, kangaroos and apes, they are absolutely massive. Is it because of testosterone? Do they have more than humans?

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2 Answers

Anonymous 0 Comments

They have to move around a lot to just survive. Climbing trees, running, fighting rivals. Domesticated animals hardly have to worry about auch things. Other reason is that in the wild usually only the most fit survive and reproduce. Contrast this to for example, human bred cows, which most of the time are bred to be easy to keep and to produce a lot of meat milk. The genes that lead to more sedentary and better eating animals are passed on.

Anonymous 0 Comments

Its due to their genetics and what they evolved to do. Humans are endurance hunters we don’t naturally have much muscle but we can run really far without getting tired, much farther than a kangaroo or other apes.