Tenerife Blue Chaffinch vs Gran Canaria Blue Chaffinch

In short

The Tenerife Blue Chaffinch and Gran Canaria Blue Chaffinch are closely related and similar in appearance, but can be distinguished by subtle differences in plumage and habitat preference. The most reliable field mark is the slightly different shade of blue in males, with the Tenerife Blue Chaffinch generally appearing a bit darker.

Identification tips

• Location: Check which island you are on; Tenerife for Tenerife Blue Chaffinch, Gran Canaria for Gran Canaria Blue Chaffinch.
• Male Plumage: Look for the shade of blue; Tenerife males are darker.
• Habitat: Consider the specific pine forest habitat typical for each species.
• Vocalizations: Use with caution, as differences are subtle.

Size

Both species are similar in size, typical of finches, and size is not a reliable distinguishing feature.

Plumage

Male Tenerife Blue Chaffinches tend to have a darker blue plumage compared to the slightly paler blue of the Gran Canaria Blue Chaffinch. Females of both species are less distinct, generally brownish, and harder to differentiate.

Behaviour

Both species exhibit similar feeding and social behaviors typical of finches, often seen foraging in flocks.

Habitat

Tenerife Blue Chaffinch is found in the pine forests of Tenerife, whereas the Gran Canaria Blue Chaffinch is restricted to the pine forests of Gran Canaria. Habitat preference can aid identification when location is known.

Voice

Vocalizations are similar, with both species having a finch-like song and calls. Differences are subtle and not easily distinguished in the field.