Yosemite National Park is causing the problem. Despite the richness of high-quality habitats in Yosemite, the brown bear, California condor, and least Bell's vireo have become extinct in the park within historical time, and another 37 species currently have special status under either California or federal endangered species legislation. The most serious current threats to Yosemite's wildlife and the ecosystems they occupy include loss of a natural fire regime, exotic species, air pollution, habitat fragmentation, and climate change. On a more local basis, factors such as road kills and the availability of human food have affected some wildlife species. Yosemite National Park has
Fresno Yosemite International Airport headquarters were located in the city until it declared bankruptcy in 2000, and the new CEO moved its headquarters to a suburb of Las Vegas. In 1996, the airport's name was changed from Fresno Air Terminal to Fresno Yosemite International Airport to attract out-of-state and international visitors to Yosemite National Park to the airport. Despite the new name, scheduled international commercial flights would not begin operating in Fresno for nearly a decade. At the time, airport managers petitioned the FAA for a new identifier code to replace FAT, which carries a negative connotation and no longer matched the initials of