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Bull
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Black Angus bull Brangus bull Brown Swiss bull Bull racing on Madura Island, Indonesia Charolais bull Galloway bull Guernsey bull Hereford bull Jersey bull Polled Hereford bull
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Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
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Lion (panthera leo)
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Mute swan with cygnet. (birds)
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The bearded vulture (Gypaetus barbatus) is seen in Switzerland on December 2024
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Key People:
Juan Belmonte
Related Topics:
bullfighting
Cattle
bull riding
bull cult
bull running
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Bull

cattle
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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Last updated
•History

News •

Bull and donkey share surprising same-sex interspecies bond • Nov. 9, 2026, 8:00 AM ET (CNN)
Scientists Witness a Mysterious Sexual Bond Between a Bull And a Male Donkey • Nov. 2, 2026, 11:02 AM ET (ScienceAlert)

Bull, in animal husbandry, the mature, uncastrated male of domesticated cattle. See also bull cult and bullfighting.