How to identify the Common Linnet

To correctly identify the Common Linnet (Linaria cannabina), check each of these features. Birds can be tricky: habit, habitat, and call often confirm a sighting that a single photo cannot.

Size at a glance

Length

12.5-14 cm

Wingspan

21-25 cm

Weight

15-22 g

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Adult males in breeding plumage have a grey nape and hindneck, a bright crimson forehead patch, and a rosy-red breast. The back is chestnut-brown, and the underparts are buffy-white with streaked flanks. The wings and tail are dark with prominent white edges, especially visible in flight. Non-breeding males and females lack the crimson and rosy-red coloration; they are generally duller, with streaked brown upperparts and buffy-white, heavily streaked underparts. The rump is typically unstreaked brown.

2. 2

   Beak shape

   Shape and color of the bill: a key field mark.

   Conical, relatively short and stout, adapted for seed-eating. Greyish-horn colored, darker on the culmen.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Dark brown

4. 4

   Leg color

   Leg and foot color.

   Dark brown to blackish-brown

5. 5

   Distinguishing features

   Standout features that separate this species.

   White wing-bars (especially prominent on primaries), white outer tail feathers, and the male's breeding plumage with red forehead and breast. The unstreaked brown rump is a good field mark for both sexes.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles are similar to females but are more heavily streaked on the head, back, and underparts, giving them a scruffier appearance. They lack any red coloration.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   Males transition from a duller, streaked plumage in winter to the vibrant breeding plumage with red forehead and breast through a partial pre-breeding molt and feather wear revealing underlying pigments.

8. 8

   Sexual dimorphism

   How males and females differ.

   Pronounced in breeding season: males develop crimson forehead and rosy-red breast. Females and non-breeding males are duller, lacking these red pigments, and are more heavily streaked overall.

Key field marks

• Size and Shape. Small, slender finch with a relatively long tail and a conical bill.
• Male Breeding Plumage. Look for the distinctive crimson forehead and rosy-red breast, grey nape, and chestnut-brown back. White edges on dark wings and tail are key.
• Female/Non-breeding Male Plumage. Overall streaky brown appearance, buffy-white underparts with streaking, and a plain brown (unstreaked) rump. White wing-bars and outer tail feathers are still present.
• Flight. Undulating flight pattern, often in flocks, with flashes of white on the wings and outer tail feathers.
• Call. Listen for the characteristic dry 'chitt-itt-itt-itt' or 'churr-churr-churr' call, often given in flight.
• Habitat. Check open, scrubby areas, heathlands, gorse bushes, and hedgerows, especially near agricultural fields or coasts.

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