| .הנטק תידורב (152 | ||||||||||
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,םוח הבג .םודא וסיסב קוריו רצק הרוקמ ,הריעז תילרכ תיארנ :הנטק תידורב | ||||||||||
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Subspecies and Distribution.
Porzana parva locally in Europe E across Transcaucasus, SE Transcaspia, W Tadijikistan, Kazakhstan and NW China. Winters from Mediterranean W to W Africa. | ||||||||||
Descriptive notes.18-20 cm, 30-70 g, wingspan 34-40 cm. Marked sexual dimorphism in plumage. Male has blue-grey face and underparts, with narrow white bars on rear flanks and black and white barring on undertail-coverts.Female has blue-grey replaced by buff except for pale ash grey lupercilium, lores and cheeks, and whitish chin and throat. Slim shape, produced by relatively long neck, wings, tail and legs, is useful distinction from sympatric Porzana species. Habitat.In breeding season occurs typically in temperate and steppe zones, usually in lowlands but occasionally to 2000 m. Frequents dense emergent vegetation of freshwater wetlands, including margins of lakes and rivers, and flooded woodland.Food and FeedingMostly insects, especially water beetles and also Hemiptera, Neuroptera, and adult and larval Diptera, and also seeds and aquatic plants, worms, gastropods, spiders and water mites.Breeding.May-Aug in C Europe. Monogamous and territorial, pair-bond maintained only during breeding season.Nest a shallow of plant stems and leaves, placed in thick vegetation near or over water, often raised on tussock or platform of dead material. 7-9 eggs, incubation 21-23 days by both sexes. Movements.W Palarctic breeders probably winter in Mediterranean basin, Africa, Arabia, Iraq and Iran . Winters occasionally in C Europe, and W to Britain. S movements late Aug-Nov. Occurs as migrant on all larger Mediterranean islands.Status and Conservation.Not globally threatened.Israel.In Israel subspecies Porzana parva quite common passage migrant, rare winterer and very rare non-breeding summer visitor. |
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