![The hide of an elephant is thick for protection and wrinkly to help retain cooling moisture. Recent research has also shown how the skin retains heat Stock Photo - Alamy The hide of an elephant is thick for protection and wrinkly to help retain cooling moisture. Recent research has also shown how the skin retains heat Stock Photo - Alamy](https://c8.alamy.com/comp/2C6AD0P/the-hide-of-an-elephant-is-thick-for-protection-and-wrinkly-to-help-retain-cooling-moisture-recent-research-has-also-shown-how-the-skin-retains-heat-2C6AD0P.jpg)
The hide of an elephant is thick for protection and wrinkly to help retain cooling moisture. Recent research has also shown how the skin retains heat Stock Photo - Alamy
![African elephants are herbivorous and have thick skin which keeps them cool Both males and females have tusks Stock Photo - Alamy African elephants are herbivorous and have thick skin which keeps them cool Both males and females have tusks Stock Photo - Alamy](https://c8.alamy.com/comp/AR40PW/african-elephants-are-herbivorous-and-have-thick-skin-which-keeps-AR40PW.jpg)
African elephants are herbivorous and have thick skin which keeps them cool Both males and females have tusks Stock Photo - Alamy
![Locally-curved geometry generates bending cracks in the African elephant skin | Nature Communications Locally-curved geometry generates bending cracks in the African elephant skin | Nature Communications](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41467-018-06257-3/MediaObjects/41467_2018_6257_Fig1_HTML.png)