| י102) דאה שחורת-כנף | ||||||||||
| ||||||||||
|
:דאה שחורת-כנף . עוף דורס קטן, אפור ולבן. ניתן לזהותו בקלות לפי כנפיו השחורות . זנבו רבוע, ועיניו אדומות. מרפרף לעיתים קרובות . בית גידולו אזורים פתוחים עם שיחים, אזורי עשב וחורשות דלילות . בישראל מזדמן באקראי באזור אילת ... ואת הדאה ... ויקרא יא' 14 | ||||||||||
|
Subspecies and Distribution.
E. c. caeruleus Iberian Peninsula, most of Africa and S W Arabia. E. c. vociferus Pakistan, China, Indomahina and Malay Peninsula. E. c. kypoleucus Philippines, Sumatra, Java and Borneo. E. c. wahgiensis New Guinea. םםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםם םםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםם םםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםם | ||||||||||
|
Descriptive notes.
30 cm, 200-340 g. wingspan 85 cm. Distinctive black shoulder patches evident at all ages, when perched or in buoyant, gull like flight. Often hovers, and when perched pumps tail up and down. Juvenile browner, eye pale yellow not red likes the adults. Races separated mainly on size and intensity of plumage color. Habitat. Savanna grasslands with scattered bushes and small trees, extends into arid steppe, desert or clearings in dense woodland, wherever prey is abundant. Food and Feeding Mainly rodents, bats, small birds, reptiles and insects. Hunts from perch or hovers, usually making a slow descent in stages, with wings held in high dihedral above the back and feet extended below, and ending with a fast plunge into ground cover. Hovers in still or windy conditions. Often crepuscular in hunting. Breeding. Beginning or end of summer or wet season in sub Sahara and India, Feb-Apr N Africa and S Europe, Jun-Jul in Malaysia. Nest is platform of sticks and weeds, lined with grass, in fork of tree, bosh or pylon. 3-4 eggs, incubation 30-33 days. The male taking over all feeding of fledglings, and female starting new clutch with a different male. Movements. Nomadic, ranging widely throughout its extensive range, often travels long distances, end even crosses equator. Considerable monthly turnover, even in local populations which appear to be stable and sedentary, usually with males arriving first and remaining longest on territories, and females wandering about in search of mates and nesting opportunities. Status and Conservation. Not globally threatened. One of the commonest birds of prey throughout its wide range. Israel. In Israel the subspecies E. c. caeruleus Accidental, five records, all from Eilat area. |
| |||||||||
| HOME | NEXT | |||||||||
