Head to head
Band-tailed Sierra-finch vs Black-chinned Siskin
Band-tailed Sierra-finch
VS Black-chinned Siskin
Both are Least Concern finches of southern South America, but their ranges and habitat preferences diverge.
| Band-tailed Sierra-finch | Black-chinned Siskin | |
|---|---|---|
| Scientific name | Phrygilus alaudinus | Spinus barbatus |
| Conservation status | Least Concern | Least Concern |
| Distinguishing feature | Pale band across the tail | Black chin patch in males |
| Diet | Omnivore, seeds and insects | Herbivore, seeds and catkins |
| Range | Broad stretch of the Andes, Ecuador to Chile | Southern Chile and Argentina only |
| Habitat | Grassland, mountains | Forest, grassland |
| Urban tolerance | Not especially associated with gardens | Common in gardens and parks |
| Sexual dimorphism | Sexes look broadly similar | Females lack the male's black chin patch |
Band-tailed Sierra-finch vs Black-chinned Siskin: common questions
Which finch has the larger geographic range?
The band-tailed sierra-finch does, ranging across a vast stretch of the Andes from Ecuador to Argentina and Chile, far larger than the black-chinned siskin's more restricted southern range.
Which finch is more commonly seen in gardens?
The black-chinned siskin is, having adapted well to gardens and parks in addition to its natural forest habitat, unlike the more grassland- and mountain-tied band-tailed sierra-finch.
Which finch shows a clear difference between males and females?
The black-chinned siskin does, with males displaying a distinctive black chin patch that females lack, a difference not present in the more uniformly patterned band-tailed sierra-finch.