How to identify the Gray-crowned Rosy-Finch

To correctly identify the Gray-crowned Rosy-Finch (Leucosticte tephrocotis), 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

14-18 cm (5.5-7.1 in)

Wingspan

28-33 cm (11-13 in)

Weight

22-60 g (0.78-2.12 oz)

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Adults have a distinctive gray crown and nape, contrasting with a black forehead and lores. The body is largely dark brown, with rosy pink wash on the belly, flanks, rump, and wing coverts. The wings and tail are dark, often with pinkish edges to the feathers. The intensity of the pink varies geographically and individually.

2. 2

   Beak shape

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

   Small, conical, and pointed, adapted for seed eating. Color is typically black during breeding season, becoming yellowish with a dark tip in winter.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Dark brown.

4. 4

   Leg color

   Leg and foot color.

   Dark gray to black.

5. 5

   Distinguishing features

   Standout features that separate this species.

   The gray crown is the most defining feature, along with the rosy pink wash on the underparts and wings. The black forehead and lores create a mask-like appearance.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles are duller overall, lacking the distinct gray crown and rosy pink plumage. They are mostly brownish-gray with streaking on the underparts. The bill is yellowish with a dark tip. They gradually acquire adult plumage over their first year.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   Plumage remains largely consistent year-round, though the bill color changes from black in breeding season to yellowish with a dark tip in winter. The rosy coloration may appear slightly brighter in breeding plumage due to feather wear and less dulling from feather tips.

8. 8

   Sexual dimorphism

   How males and females differ.

   Males are generally brighter and more extensively rosy pink than females, especially during the breeding season. The gray on the crown may also be more extensive and purer in males. Females tend to be duller with less intense pink coloration.

Key field marks

• Gray Crown. Look for the distinct gray cap on the head, contrasting with a black forehead and dark brown body. This is the most reliable field mark.
• Rosy Pink Plumage. Observe the rosy pink wash on the belly, flanks, rump, and wing coverts. The intensity varies, but it's usually present to some degree, especially in males.
• Habitat and Behavior. These birds are almost exclusively found in high-alpine, rocky, and often snowy environments. Look for them foraging on the ground, often in flocks, near snowfields or cliffs. Their hardiness in extreme cold is a clue.
• Bill Color. Note the bill color: black during breeding (summer) and yellowish with a dark tip during winter. This can help with seasonal identification.
• Flight Pattern. Watch for their strong, undulating flight, often in tight, cohesive flocks.

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