VU

Tasmanian Long-eared Bat

Nyctophilus sherrini

Declining

Overview

This small insectivorous bat is distinguished by its notably elongated ears, an adaptation that enhances echolocation sensitivity for detecting prey and navigating dense vegetation. Like other members of its genus, it forages at night for moths, beetles, and other flying and ground-dwelling invertebrates, using slow, maneuverable flight to glean prey from foliage as well as capture it on the wing. As an insect predator, it contributes to natural pest regulation within its ecosystem and serves as a food source for some avian and mammalian predators.

The species is endemic to Australia, where it occupies forest and shrubland habitats. It typically roosts in tree hollows, loose bark, and dense understory vegetation, relying on structurally complex native vegetation for both roosting and foraging.

Population numbers are not precisely documented, but the species is classified as Vulnerable with a decreasing population trend. Its primary threats stem from habitat loss and degradation driven by urban development, conversion of land for annual and perennial cropping, and ongoing logging and timber harvesting, all of which reduce the availability of roosting sites and foraging habitat. Broader habitat shifting and alteration, linked to changing environmental conditions, further compounds these pressures, while storms and flooding events pose additional risks to roosting sites and local populations.

Fishing and harvesting of aquatic resources have also been identified as a contributing threat, likely through associated habitat disturbance.

Conservation efforts include habitat protection within Australia's reserve system and monitoring under national and state biodiversity assessments. Continued forest and woodland loss, combined with cumulative environmental pressures, suggests the species' conservation status is unlikely to improve without sustained habitat protection and management.

The Tasmanian Long-eared Bat is losing its natural habitat as land is cleared for housing developments, farming, and logging operations, which removes the trees and forest areas it depends on for shelter and food. It also faces risks from severe weather events like storms and flooding, as well as disturbances linked to fishing and harvesting activities in its habitat. These combined pressures on the bat's habitat currently appear to be ongoing and stable rather than clearly worsening.

Threat summary

Habitat

Forest· majorShrubland· major

Frequently asked questions

Why is Tasmanian Long-eared Bat classified as Vulnerable?
Tasmanian Long-eared Bat 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 Tasmanian Long-eared Bat is losing its natural habitat as land is cleared for housing developments, farming, and logging operations, which removes the trees and forest areas it depends on for shelter and food. It also faces risks from severe weather events like storms and flooding, as well as disturbances linked to fishing and harvesting activities in its habitat. These combined pressures on the bat's habitat currently appear to be ongoing and stable rather than clearly worsening.
Where does Tasmanian Long-eared Bat live?
Tasmanian Long-eared Bat 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 Tasmanian Long-eared Bat?
The main threats to Tasmanian Long-eared Bat are 1.1, 11.1, 11.4, and 2.1. The full IUCN-classified threat record for this species is detailed on the species page.

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