Livingstone’s Flying Fox

Livingstone's Flying Fox

The Livingstone’s flying fox is “Critically Endangered” due to serious population decline and an 80% habitat loss over the past 3 generations, caused by deforestation, construction, and agriculture.

The Livingstone’s flying fox is listed as Critically Endangered on the International Union for Conservation of Nature and Natural Resources (IUCN) Red List of Threatened Species because of a serious population decline.

The species is suspected to suffer from catastrophic habitat decline caused by the cutting of trees for fuelwood and construction and by conversion of all but the steepest upland areas to agricultural use. This has resulted in extensive declines in the species’ area of occupancy, the extent of its occurrence, and the quality of its habitat.

True population change in the Livingstone’s flying fox is unknown and data on habitat change over time is limited. However, the species qualifies for the Critically Endangered status under the A2c criterion because best estimates indicate habitat loss has exceeded 80% over the past three generations (estimated generation length: 8.1 years/generation), because remaining habitat is increasingly degraded and fragmented, and because declines in the extent and quality of habitat are continuing.

The Livingstone’s flying fox also meets the Endangered threshold under a second criterion, B1. The geographic range is small, such that the current extent of occurrence is estimated to be 1,856 km², less than the Endangered threshold of 5,000 km² under criterion B1. In addition, the habitat is severely fragmented, and there have been clear, continuing, observed declines in extent of occurrence, area of occupancy, habitat quality, and number of locations. Declines in the number of mature individuals are also inferred from these declines in habitat. Therefore, this species would also be listed as Endangered under criterion B1ab(i, ii, iii, iv, v).

Image | © Josh More, Some Rights Reserved (CC BY-NC-ND 2.0)
Sources | (Sewall, Young, Trewhella, Rodríguez-Clark, & Granek, 2016)

Learn More About the Livingstone’s Flying Fox


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