Lions: One Track Mind
When lions mate, the coupling usually lasts only about 20 seconds. But the pair will repeat the act every 20 minutes or so — sometimes up to 40 times a day. This will continue for three to seven days straight, with the male and female neglecting to hunt or eat during the entire time.
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(Image: African lion pair, male and female. Source: WELS.net/Flickr via a Creative Commons license.)