Our Neighborhood's Biodiversity Map

* Please click the continent to see the endangered species of our neighborhood.
Africa
ARKive species - Seychelles sheath-tailed bat (Coleura seychellensis) * To See the original image, please click the image
Shared by : Shafira Charlette (Seychelles)
Region : Seychelles
Status : Critically Endangered
Introduction
Seychelles has 5 endemic bat species one of them is the Seychelles Sheath-Tailed Bat (Coleura seychellensis) which is classified as critically endangered by the IUCN. The Sheath-Tailed bat are sac-winged bat with lifespan of 20 years and length of 55-65 millimetres. Sheath-tailed bat find its mate by fighting another male in front of the female.

• HABITAT & FOOD: They roost in caves and houses and are insectivorous. They feed at night and strongly prefer beetles especially before breeding due to the beetles being high in protein and fat contents, it provides vital nutrition for females preparing to breed. Nowadays, Seychelles Sheath-Tailed bats can only be found on Silhouette Island and Mahe. It has been said that the bats suffered from habitat deterioration due to the effects of introduced plant species, of which the Seychelles continues to battle. Although, the species has a high reproductive potential, it is very vulnerable to disturbance and requires several roost sites within healthy habitat. The species prefer areas with abundant insects / beetles, such areas are becoming increasingly hard to find.

• BREEDING: Breeding season is during November - April during the North-West Monsoon, known as the wet season, this is also the period when insect food is most abundant. A single baby is born either at the end of November or in March.

• PREDATORS: Predators of the bats are not known. Though, it has been observed to be agitated at a time when rats are present in a roost. It is speculated that the introduced barn owls feed on them but this has not been published. In 2012, it was highlighted by the Bat Specialist Group as one of the species most likely to become extinct in the near future. The Nature Protection Trust of Seychelles which studied the species from 1997 until 2010 initiated the conservation of the Seychelles Sheath-Tailed Bats. For several years the NPTS studied the species on Silhouette using an infra-red CCTV system into one roost, most of the knowledge of the species derives from this monitoring system without disturbing the bats. After active conservation work, they saw the population managed by NPTS rose from 18 bats to a maximum of 40 which was great improvement.

Sources : Wikipedia & islandbiodiversity.com

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