| י126) עיט הצפרדעים | ||||||||||
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:עיט צפרדעים דומה מאוד לעיט חורף, הקטן ממנו במקצת . ולמהמופע הכהה של עיט הערבות . לבוגר כתם לבן בבסיס הזנב ולמתבגר כתם לבנבן דמוי חץ בבסיס זנבו . זנבו רבוע יותר מאשר זנב עיט הערבות כנפיו של עיט הצפרדעים ישרות במעופו לעומת עיט החורף . שכנפיו נטוית קדימה . בית גידולו חורשות ליד אגמים, ביצות ונהרות. מקנן על עצים . בארץ עובר אורח מצוי וחורף נדיר, בעבר קינן ... נתיב לא ידעו עיט ... איוב כח' 7 | ||||||||||
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Subspecies and Distribution.
Aquila clanga EC Europa through Russia and Manchuria, isolated populations in Iran and India. Winters from S Europe, NE and E Africa and Middle East to Pakistan, China and Indohina. םםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםם םםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםם םםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםםם | ||||||||||
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Descriptive notes.
60-70 cm,1500-2500 g wingspan 155-180 cm. Appears rater uniform dark brown to black, with strong purplish gloss on upperparts. Slightly larger than very similar A. pomarina but overlapping in size. Generally darker, wing coverts contrast little or not at all in colour with flight-feathers. Tail and outer primaries not barred as in A. nipalensis. Bill size and length of middle toe also help to distinguish from congeners. Female only slightly larger than male. Juvenile and immature easily recognizable with white to yellow spots on scapulars, back and upperwing coverts, spots larger and more numerous than in A. pomarina, sometimes almost obliterating dark brown background. Habitat. Mainly found near large wet forests bordering humid meadows, bogs, marshes and other wetlands. Breeding in lowlands, but also breeds in mountain forests. Food and Feeding. Depending on availability of prey species. Mammals, reptiles, amphibians, small fish and carrion. Mainly hunts in open areas like A. pomarina, using three different techniques soaring 100 m high and diving down, still-hunting from perch or walking on ground. Breeding Apr-Aug. Solitary, territory 30 km2 in optimum areas. Large platform of sticks typically 100 cm wide and up to 90 cm deep, with grass. Placed in tree inside forest few hundred metres from edge, often used in successive years, although many pairs have 2-3 nests used alternately. 2 eggs, incubation 36-40 dayes. Chicks have pure white to greyish or grey-brown down. Second chick normally dies as result of cainism. Movements. Migratory, leaves breeding areas in Oct-Nov, and does not move so far south, wintering C Europe, Middle East, NE Africa and S Asia. Arrives on breeding grounds in spring. Status and Conservation. Not globally threatened. Total world population certainly only some few thousand birds. Israel. In Israel the subspecies Aquila clanga. Uncommon passage migrant, quite common winter visitor and formerly rare breeder. |
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