21. Its extirpation from Tennessee was caused by coal mining pollution and the construction of reservoirs. 22. Small, isolated populations also risk extirpation by natural disasters and disease outbreaks ( epizootics ). 23. Localized declines or extirpations of the tawny nurse shark have been documented off India and Thailand. 24. He was very energetic against the Messalians, and contributed to the extirpation of that group. 25. Its patchy, fragmented distribution makes it likely to experience isolation and extirpation of small populations. 26. Human predation and habitat destruction has placed several mammal species at risk of extirpation or extinction. 27. But that doesn't mean, he says, that extirpation of other animals is warranted. 28. However, hunting has also heavily contributed to the endangerment, extirpation and extinction of many animals. 29. This fallacy led to the condor's extirpation in some parts of the western United States. 30. However, middle spotted woodpeckers have been seen in Sweden in appropriate breeding habitats after the extirpation .
