Come identificare Common Snipe

Per identificare correttamente Common Snipe (Gallinago gallinago), controlla ciascuna di queste caratteristiche. Gli uccelli possono essere complicati da riconoscere, perché comportamento, habitat e canto spesso confermano ciò che una sola foto non può.

Dimensioni a colpo d'occhio

Lunghezza

23-28 cm (9.1-11.0 in)

Apertura alare

39-45 cm (15.4-17.7 in)

Peso

80-140 g (2.8-4.9 oz), occasionally up to 180 g

Caratteristiche fisiche da controllare

1. 1

   Piumaggio

   Colorazione e disegno generale del piumaggio.

   Upperparts are mottled and streaked with dark brown, black, and rufous, providing excellent camouflage. The underparts are whitish with streaking on the flanks. Distinctive pale buffy-white stripes run along the crown, supercilium (above the eye), and malar (below the eye). The back has two prominent buffy-white stripes formed by the scapular feathers. The tail is short, wedge-shaped, and dark with rufous-orange sides and white tips, particularly visible in flight.

2. 2

   Forma del becco

   Forma e colore del becco, un segno di campo chiave.

   Extremely long (6-7 cm), straight, slender, and dark-tipped bill, brownish at the base. The tip is flexible and sensitive, used for probing.

3. 3

   Colore degli occhi

   Colore dell'iride e segni distintivi sugli occhi.

   Dark brown.

4. 4

   Colore delle zampe

   Colore di zampe e piedi.

   Greenish-grey to yellowish-green.

5. 5

   Caratteristiche distintive

   Tratti distintivi che separano questa specie.

   Long bill, cryptic plumage with strong longitudinal stripes on the head and back, short tail, and characteristic zig-zag flight when flushed.

6. 6

   Aspetto giovanile

   Come i giovani si differenziano dagli adulti.

   Juveniles resemble adults but have narrower, less distinct buffy stripes on the back and scapulars. Their plumage can appear slightly duller and less sharply defined.

7. 7

   Cambiamenti stagionali

   Variazione del piumaggio tra stagione riproduttiva e non.

   No significant seasonal plumage changes. Breeding and non-breeding plumages are essentially the same.

8. 8

   Dimorfismo sessuale

   Differenze tra maschi e femmine.

   Males and females are virtually identical in plumage and size. There is no reliable visual distinction in the field.

Segni di campo chiave

• Long Bill. Look for the exceptionally long, straight, and slender bill, which is a key feature of all snipes.
• Cryptic Plumage. Observe the intricate pattern of dark brown, black, and rufous mottling on the upperparts, providing superb camouflage against wetland vegetation.
• Head Stripes. Note the distinct pale buffy-white stripes on the head: one down the center of the crown, and prominent supercilium (above the eye) and malar (below the eye) stripes.
• Back Stripes. Identify the two prominent buffy-white stripes running down the back, formed by the scapular feathers, which are often visible even when the bird is standing.
• Flight Pattern (when flushed). When disturbed, the Common Snipe takes off with an explosive, erratic, zig-zag flight, often accompanied by a harsh 'scaap' call. This is a very reliable field mark.
• Drumming Display. During the breeding season, listen for the distinctive 'drumming' or 'bleating' sound produced by the male's tail feathers during its aerial display dives.

Esplora Common Snipe