Kowari
VU

Kowari

Dasyuroides byrnei

DecliningENAU

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Kowari

Overview

The kowari is a small carnivorous marsupial with sandy-brown fur, a pale underside, and a distinctive dark, brush-tipped tail. Adults weigh roughly 70 to 140 grams and are primarily nocturnal, sheltering in burrows during the day to avoid extreme temperatures. They are opportunistic predators, feeding on insects, small reptiles, and rodents, and in turn serve as prey for larger predators, making them a component of arid ecosystem food webs and a natural check on invertebrate and small vertebrate populations.

This species is restricted to a limited area of central Australia, spanning parts of Queensland and South Australia. It inhabits arid shrubland and stony or gibber plains, often near ephemeral inland watercourses and wetlands that provide seasonal resources in an otherwise harsh environment.

The kowari faces ongoing pressure from livestock farming and ranching, which degrades and fragments its habitat through grazing and associated land-use changes. Invasive species, particularly introduced predators such as feral cats and foxes, prey on kowaris directly and compete for resources. Habitat shifting and alteration, linked to changing land management and climatic variability, further reduce the availability of suitable burrowing sites and prey.

Conservation efforts include habitat monitoring, research into population distribution and ecology, and predator control programs in parts of its range aimed at reducing feral cat and fox impacts. Some populations occur within protected or monitored pastoral lands where conservation-compatible grazing practices are being explored.

The population trend is currently decreasing, and the species is classified as Vulnerable. Continued habitat degradation and predation pressure suggest that without sustained management intervention, the kowari's range and numbers are likely to remain under strain in the near term.

The Kowari faces ongoing pressure from cattle and sheep grazing that damages its desert habitat, competition and predation from introduced animals like cats and foxes, and changes to its grassland and desert habitat driven by factors such as shifting fire patterns and climate conditions. These threats are currently considered stable but persistent, continuing at their present level rather than clearly worsening or improving.

Threat summary

Habitat

Shrubland· majorWetlands (inland) - Permanent rivers/streams· major

Frequently asked questions

Why is Kowari classified as Vulnerable?
Kowari 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 Kowari faces ongoing pressure from cattle and sheep grazing that damages its desert habitat, competition and predation from introduced animals like cats and foxes, and changes to its grassland and desert habitat driven by factors such as shifting fire patterns and climate conditions. These threats are currently considered stable but persistent, continuing at their present level rather than clearly worsening or improving.
Where does Kowari live?
Kowari 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 Kowari?
The main threats to Kowari are 11.1, 2.3, and 8.1. The full IUCN-classified threat record for this species is detailed on the species page.

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