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Why Zebras Don't Get Ulcers is a 1994 (2nd ed. 1998, 3rd ed. 2004) book by Stanford University biologist Robert M. Sapolsky. The book includes the subtitle "A Guide to Stress, Stress-related Diseases, and Coping" on the front cover of its third edition.
The plains zebra is the national animal of Botswana and zebras have been depicted on stamps during colonial and post-colonial Africa. For people of the African diaspora , the zebra represented the politics of race and identity, being both black and white.
Equidae (commonly known as the horse family) is the taxonomic family of horses and related animals, including the extant horses, asses, and zebras, and many other species known only from fossils. The family evolved more than 50 million years ago, in the Eocene epoch, from a small, multi-toed ungulate into larger, single-toed animals.
Other hybrids include the zorse, a cross between a zebra and a horse [30] and a zonkey or zedonk, a hybrid of a zebra and a donkey. [31] In areas where Grévy's zebras are sympatric with plains zebras, fertile hybrids do occur. [32] Ancient DNA identifies the Bronze Age kunga as a cross between the Syrian wild ass and the donkey.
Perissodactyla is an order of placental mammals composed of odd-toed ungulates – hooved animals which bear weight on one or three of their five toes with the other toes either present, absent, vestigial, or pointing backwards. Members of this order are called perissodactyls, and include rhinoceroses, tapirs, and horses.
Over the last 20 years, the proportion of zebras killed by lions dropped from 67 per cent to 42 per cent in the area, while the number of buffalo kills jumped from 0 per cent to 42 per cent ...
The plains zebra is the national animal of the Republic of Botswana and its stripes are depicted on the country's flag. The flag stripes also represent racial harmony in the country. [41] The zebra has also been associated with beauty and the women of various societies would paint much of their bodies in stripes.
Heliconius charithonia, the zebra longwing or zebra heliconian, is a species of butterfly belonging to the subfamily Heliconiinae of the family Nymphalidae. [2] [3] It was first described by Carl Linnaeus in his 1767 12th edition of Systema Naturae. The boldly striped black and white wing pattern is aposematic, warning off predators.