Common Redpoll vs Lesser Redpoll

In short

The Common Redpoll and Lesser Redpoll are similar small finches, but the Common Redpoll typically has a larger, more robust appearance with a longer bill. In contrast, the Lesser Redpoll is smaller and more delicate. Both species have a red forehead and black chin, but subtle differences in size and plumage can help distinguish them.

Identification tips

1. Look for size and bill length: Common Redpolls are larger with a longer bill. 2. Check the plumage: Common Redpolls have whiter underparts and more distinct flank streaking. 3. Observe the overall color tone: Lesser Redpolls tend to be browner. 4. Consider the habitat and range: Common Redpolls may be found further north. 5. Use vocalizations with caution, as they are similar.

Size

Common Redpolls are generally larger and more robust than Lesser Redpolls, with a longer bill.

Plumage

Both species have a red forehead and black chin. Common Redpolls tend to have whiter underparts with more distinct streaking on the flanks, while Lesser Redpolls often appear browner overall with less contrasting streaking.

Behaviour

Both species are active and social, often found in flocks. There are no significant behavioral differences noted for field identification.

Habitat

Both species can be found in similar habitats, including birch and alder woodlands, but Common Redpolls have a broader range, often venturing further north.

Voice

The vocalizations of both species are similar, with calls consisting of a series of 'che-che-che' sounds. Distinguishing them by voice alone can be challenging.