VU

Eastern False Pipistrelle

Falsistrellus tasmaniensis

Declining

Overview

One of Australia's largest microbats, the eastern false pipistrelle is a member of the vesper bat family, recognisable by its broad wings, dense fur ranging from reddish-brown to grey-brown, and body length reaching up to 7 centimetres, excluding a distinctive tail that extends beyond the tail membrane. It is a fast, high-flying insectivore, foraging above and within forest canopies for moths and beetles, and it roosts colonially in tree hollows, playing a role in regulating insect populations within its forest ecosystem.

The species is restricted to south-eastern Australia, occurring in Tasmania, Victoria, New South Wales, and parts of south-eastern Queensland. It inhabits tall wet and dry eucalypt forests, as well as some inland wetland-associated forest margins, depending on mature trees with hollows for roosting and breeding.

Population decline is driven by loss of old-growth forest habitat through urban expansion, agricultural and forestry land conversion, and effluent runoff affecting waterways used for foraging. Fire and altered fire regimes, including intense bushfires and fire suppression practices, degrade hollow-bearing trees essential for roosting. Livestock grazing further reduces habitat quality, while droughts linked to shifting climate patterns limit prey availability.

Introduced predators and disease also add pressure on already fragmented populations.

Conservation efforts include legal protection under Australian state and federal biodiversity legislation, retention of hollow-bearing trees in forestry management guidelines, post-fire habitat assessments, and monitoring programs tracking roost sites and population trends.

The species' outlook remains concerning, with continuing habitat loss, fire impacts, and climate-related pressures contributing to an ongoing decreasing population trend across its range.

The Eastern False Pipistrelle faces ongoing habitat loss as forests are cleared for housing developments and livestock grazing, while pollution from farming and forestry activities degrades the waterways and vegetation it depends on. Bushfires (and the way they're managed), prolonged droughts, and shifting environmental conditions further reduce the tree hollows and foraging areas this bat needs to survive, while invasive species add extra pressure through competition or disease. Since all these threats are currently listed as ongoing, the overall pressure on this species appears to be stable to intensifying rather than decreasing.

Threat summary

Habitat

Forest· majorWetlands (inland)· major

Conservation measures underway

Species recovery

Frequently asked questions

Why is Eastern False Pipistrelle classified as Vulnerable?
Eastern False Pipistrelle is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. The Eastern False Pipistrelle faces ongoing habitat loss as forests are cleared for housing developments and livestock grazing, while pollution from farming and forestry activities degrades the waterways and vegetation it depends on. Bushfires (and the way they're managed), prolonged droughts, and shifting environmental conditions further reduce the tree hollows and foraging areas this bat needs to survive, while invasive species add extra pressure through competition or disease. Since all these threats are currently listed as ongoing, the overall pressure on this species appears to be stable to intensifying rather than decreasing.
Where does Eastern False Pipistrelle live?
Eastern False Pipistrelle occurs in Australia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Eastern False Pipistrelle?
The main threats to Eastern False Pipistrelle are 1.1, 11.1, 11.2, and 2.3. The full IUCN-classified threat record for this species is detailed on the species page.

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