Western Whistler
- kingdom: Animalia
- phylum: Chordata
- class: Aves
- order: Passeriformes
- family: Pachycephalidae
- genus: Pachycephala
- species: Pachycephala occidentalis
Albany- Augusta
- Bedfordale
- Bentley
- Bridgetown
- Bunbury
- Busselton
- Byford
- Chidlow
- Clarkson
- Collie
- Como
- Coogee
- Darlington
- Denmark
- Donnybrook
- Dunsborough
- East Perth
- Erskine
- Esperance
- Gooseberry Hill
- Grasmere
- Greenmount
- Joondalup
- Kalbarri
- Kelmscott
- Lower King
- Maida Vale
- Manjimup
- Margaret River
- Mount Barker
- Mundaring
- Narrogin
- Osborne Park
- Pemberton
- Perth
- Pinjarra
- Quindalup
- Scarborough
- Shenton Park
- South Perth
- Swanbourne
- Victoria Park
- Wanneroo
- Wembley
- West Perth
- Yallingup
- Yanchep
Western Australia
Australia