Long-tailed Finch
Poephila acuticauda
- Least concern
- Card rarity: Common
- Birds

The long-tailed finch is a common species of estrildid finch found in northern Australia, from the Kimberley region to the Gulf of Carpentaria. It is a predominantly fawn-coloured bird with a pale grey head and prominent black bib and eyes. It inhabits dry savannah habitats in Australia and adapts readily to aviculture. It is known as the Hex finch in the United Kingdom, and Heck's finch in other parts of the world.
Classification
- Class
- Aves
- Order
- Passeriformes
- Family
- Estrildidae
- Genus
- Poephila