Why do all animals yawn when tired? 669 viewsJanuary 3, 2024 Question88.46K August 16, 2019 0 Comments Why do all animals yawn when tired? In: Biology 1 Answer ActiveNewestOldest Anonymous Posted August 16, 2019 0 Comments … they don’t. We don’t really know why some animals yawn but they suspect it’s for a variety of reasons including aggression, courtship, discomfort, and finishing a meal. Register or Login
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