Come identificare Red-backed Shrike

Per identificare correttamente Red-backed Shrike (Lanius cyanurus), 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

16-18 cm

Apertura alare

24-27 cm

Peso

25-35 g

Caratteristiche fisiche da controllare

1. 1

   Piumaggio

   Colorazione e disegno generale del piumaggio.

   Adult male: Ash-grey crown and nape, black mask through the eye, reddish-brown mantle and back, pinkish-white underparts. Wings are dark brown with a white patch at the primary bases (often visible in flight). Tail is black with white outer tail feathers. Adult female: Duller overall, with a brownish-grey crown and nape, less distinct brownish mask, rufous-brown back, and buffy-white underparts with fine crescent-shaped barring. Juvenile: Heavily barred brownish plumage, resembling a duller female but with more extensive barring on the upperparts and underparts.

2. 2

   Forma del becco

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

   Strong, hooked bill, dark grey to black, with a paler base to the lower mandible.

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.

   Dark grey to black.

5. 5

   Caratteristiche distintive

   Tratti distintivi che separano questa specie.

   Hooked bill, upright posture, habit of perching conspicuously on elevated points, and the male's distinctive grey head and reddish back. The black mask is prominent in males.

6. 6

   Aspetto giovanile

   Come i giovani si differenziano dagli adulti.

   Heavily barred brown plumage on both upperparts and underparts, with a scaly appearance. Lacks the distinct grey head and reddish back of the adult male, and the mask is very faint or absent.

7. 7

   Cambiamenti stagionali

   Variazione del piumaggio tra stagione riproduttiva e non.

   No significant seasonal plumage changes in adults, though plumage may appear slightly worn by late summer. Juveniles molt into first-winter plumage, which resembles a duller adult female, before acquiring adult plumage in their second year.

8. 8

   Dimorfismo sessuale

   Differenze tra maschi e femmine.

   Pronounced. Males have a grey head, black mask, and reddish-brown back. Females are duller, browner, with a less distinct mask and barred underparts.

Segni di campo chiave

• Male Plumage. Look for the distinctive combination of an ash-grey head, prominent black eye-mask, and a rich reddish-brown back. Underparts are pinkish-white.
• Female Plumage. Identify by the duller brownish-grey head, less distinct brownish mask, rufous-brown back, and characteristic crescent-shaped barring on the buffy-white underparts.
• Juvenile Plumage. Note the heavily barred brown plumage on both upperparts and underparts, giving a scaly appearance. The mask is very faint or absent.
• Perching Behavior. Observe its habit of perching conspicuously on elevated points like isolated bushes, fence posts, power lines, or tall weeds, from which it scans for prey.
• Hunting Style. Watch for its characteristic swooping flight from a perch to catch prey on the ground, and its 'butcher bird' habit of impaling prey.
• Bill Shape. Note the strong, hooked bill, typical of shrikes, used for tearing prey.

Esplora Red-backed Shrike