| 31. | With these beaks males are able to feed differently on their favourite cactus, the prickly pear " Opuntia ".
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| 32. | Yet again others & ndash; namely the " Mexican and the southern United States "'Opuntia " farms.
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| 33. | Another successful program was the virtual eradication of " Opuntia vulgaris " by the use of cochineal insects in 1913.
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| 34. | With these beaks, males are able to feed differently on their favourite cactus, the prickly pear " Opuntia ".
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| 35. | The two largest genera within the subfamily, " Opuntia " and " Cylindropuntia " are also not monophyletic.
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| 36. | Endemic species include the prickly pear cactus, Opuntia, more familiar to Mexicans and residents of the U . S . Southwest.
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| 37. | Other animals that eat " Opuntia " include the prickly pear island snail and " Cyclura " rock iguanas.
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| 38. | From Native Americans, Westerners learned the practice of eating cactus fruit from the myriad species of opuntia that occupy the Mojave desert lands.
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| 39. | In 1926 Alwin Berger completed the separation from " Opuntia " by raising " Brasiliopuntia " to a full genus.
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| 40. | Opuntia Lake is strategically situated in the major goose fall staging area of Western Canada, is a very important staging area for waterfowl.
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