Gilbert's dunnart is found in the southern wheat belt of Western Australia close to Perth and the Swan River, as well as the Roe plain near the South Australian border.

The habitat it inhabits consists of heath and heathy forest and is abundant on coastal rangers, dry sclerophyll forest, semi-arid woodlands, and mallee scrub.

This nocturnal species nests in hollows above ground or dense bush.

Gilbert's dunnart breeds from September until December and young are weaned in January or February.

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