Azure-winged Magpie

Informazioni

The Azure-winged Magpie is a medium-sized passerine bird in the crow family, Corvidae. It is notable for its striking azure blue wings and tail, contrasting with a black cap and greyish-brown body. It exhibits a disjunct distribution, with populations in East Asia and the Iberian Peninsula, a biogeographical puzzle that has fascinated ornithologists for centuries.

Dimensioni e longevità

Lunghezza

31-35 cm

Apertura alare

38-45 cm

Peso

65-90 g

Longevità

Up to 10-15 years in the wild

Dieta

Omnivore

Caratteristiche fisiche

Piumaggio

Adults have a glossy black cap extending from the forehead to the nape, contrasting sharply with a white throat. The back and underparts are a pale greyish-brown, sometimes with a pinkish tinge. The most distinctive feature is the bright azure blue wings and long, graduated tail. The primary coverts are also blue, and the primaries are tipped with black. The undertail coverts are white.

Forma del becco

Relatively small, slender, and slightly decurved black beak.

Colore degli occhi

Dark brown

Colore delle zampe

Black

Caratteristiche distintive

The combination of a black cap, white throat, greyish-brown body, and brilliant azure blue wings and tail is unique. The long, graduated tail is particularly noticeable in flight.

Aspetto giovanile

Juveniles resemble adults but have a duller, browner black cap, often with some greyish mottling. The blue on the wings and tail is less vibrant and more muted, sometimes with a greenish-blue tint. The body plumage may also be duller and less distinctly greyish-brown.

Cambiamenti stagionali

No significant seasonal plumage changes. Plumage may appear slightly duller due to wear towards the end of the breeding season before the annual molt.

Dimorfismo sessuale

Males and females are monomorphic in plumage, appearing identical. There might be slight size differences, with males typically being marginally larger, but this is not reliably discernible in the field.

Come identificare

1. 1

   Plumage Coloration

   Look for the unique combination of a glossy black cap, white throat, pale greyish-brown body, and striking azure blue wings and tail. This pattern is diagnostic.

2. 2

   Tail Shape and Color

   The long, graduated, azure blue tail is a key identifier, especially in flight. It's longer than most other corvids in its range.

3. 3

   Social Behavior

   Often seen in noisy, cohesive flocks, particularly outside the breeding season. Their communal foraging and vocalizations are characteristic.

4. 4

   Vocalizations

   Listen for their distinctive harsh, chattering calls ('ksssh-ksssh') mixed with more metallic or flute-like notes. They are often quite vocal.

5. 5

   Habitat Preference

   Search in open woodlands, olive groves, cork oak forests, and parks, especially in the Iberian Peninsula or East Asia.

Habitat e areale

Biomi

Temperate forests, woodlands, parks, gardens, olive groves, cork oak forests, pine forests, and cultivated areas with scattered trees.

Areale geografico

Disjunct distribution: one population in East Asia (China, Korea, Japan, Mongolia) and another in the Iberian Peninsula (Spain and Portugal).

Fascia altitudinale

Typically found from sea level up to 1,500 meters, occasionally higher in some parts of its Asian range.

Ambienti preferiti

Prefers open woodlands, especially those with a mix of deciduous and coniferous trees, and areas with scattered trees and shrubs, often near human habitation.

Comportamento

Periodo di attività

Diurnal.

Abitudini alimentari

Highly omnivorous. Diet includes a wide variety of insects (beetles, caterpillars, grasshoppers), spiders, snails, small vertebrates (lizards, nestlings), eggs, and carrion. A significant portion of their diet consists of fruits, berries, acorns, pine nuts, and seeds, especially in autumn and winter. They often cache food, particularly acorns, for later consumption.

Comportamento sociale

Highly social birds, typically found in noisy flocks outside the breeding season, sometimes numbering dozens of individuals. During the breeding season, they form smaller, more dispersed groups or pairs, but often nest colonially or semi-colonially. They are known for their cooperative breeding behavior in some populations.

Tipo di volo

Flight is undulating and rather weak, often in loose flocks. The long tail is prominent during flight, giving it a distinctive silhouette. They are agile in trees, hopping and climbing.

Migrazione

Essentially resident throughout its range, though some local movements may occur in response to food availability, particularly in winter. Not a migratory species.

Territorialità

During the breeding season, pairs or small groups defend a nesting territory. Outside of breeding, they are less territorial and forage in communal flocks.

Riproduzione

Stagione riproduttiva

Typically from April to July, with peak activity in May and June.

Abitudini di nidificazione

Nests are usually built in trees or large shrubs, often at a considerable height (3-15 meters). They are bulky, cup-shaped structures made of twigs, roots, moss, and mud, lined with softer materials like hair, wool, and feathers. They often nest in loose colonies.

Dimensione della covata

Usually 6-8 eggs, but can range from 4 to 10.

Descrizione dell'uovo

Eggs are typically pale greenish-blue or buff, heavily spotted and blotched with dark brown, olive, or grey, particularly at the broader end. Average size is about 29 x 21 mm.

Periodo di incubazione

15-17 days, primarily by the female.

Periodo di involo

16-19 days after hatching. Young are fed by both parents and often by helpers (non-breeding adults from the previous year's brood) in cooperative breeding systems.

Cure parentali

Both parents participate in nest building, incubation (female primarily), and feeding of the young. In some populations, particularly the Iberian, cooperative breeding is common, with offspring from previous years assisting in raising new broods.

Dove trovarlo

Consigli sul campo

1. Look for flocks. Outside the breeding season, they are almost always found in flocks. Listen for their characteristic calls to locate them.
2. Check oak and pine trees. They frequently forage for acorns and pine nuts in these trees, especially in autumn and winter.
3. Observe their flight. Their undulating flight with the long, blue tail is quite distinctive and can help confirm identification from a distance.
4. Visit during early morning or late afternoon. Like many birds, they are often most active and vocal during these times.

Specie simili

Fatti rapidi

Distinctive Feature:

Azure blue wings and tail with a black cap

Sociality:

Highly social, often in flocks

Diet:

Omnivorous, includes acorns and insects

Distribution Anomaly:

Disjunct populations in East Asia and Iberian Peninsula

Conservation Status:

Least Concern

Curiosità

• The disjunct distribution of the Azure-winged Magpie (East Asia and Iberian Peninsula) is a long-standing ornithological mystery. Hypotheses include ancient land bridges, human introduction (though genetic evidence largely refutes this for the Iberian population), or a relict population from a once continuous range.
• Recent genetic studies have led to the splitting of Cyanopica cyanus into two distinct species: the Iberian Azure-winged Magpie (Cyanopica cooki) and the Asian Azure-winged Magpie (Cyanopica cyanus sensu stricto). The 'Averla Azzurra' typically refers to the Iberian population.
• They are known for their intelligence and problem-solving abilities, typical of the Corvidae family.
• In some parts of their range, they exhibit cooperative breeding, where non-breeding individuals (often offspring from previous years) help the breeding pair raise their young.

Classificazione scientifica

Regno

Animalia

Phylum

Chordata

Classe

Aves

Ordine

Passeriformes

Famiglia

Corvidae

Genere

Cyanopica

Specie

Cyanopica cyanus (or Cyanopica cooki for the Iberian population)

Esplora Azure-winged Magpie