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.תטטרושמ הפנא (53 | ||||||||||
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.תיארנ רשאמ רתוי תעמשנ ןוניקה תנועב ,תרתתסמ ,הלודג המוח הפנא :תטטרושמ הפנא .רוחש הדוקדוק ,רוחשב תרמונמ הפוקזו החותמ הדימעב םיתיעלו ,םויא תדמעכ תצווכמו הפופש הדימעב םיתיעל תיארנ .הפועמב הטמ תוטונה תולגועמה היפנכב ףושניל המוד ,הרהזא תדמעכ ,הלעמל טשומ השארשכ .תוציבו םימגא ,םינק תושרוח הלודיג תיב .הרידנ תפרוחו חרוא תרבוע ץראב .19 א"י ארקיו רפסב םיאמטה תופועה ןיב תרכזנ....הנימל הפנאה... | ||||||||||
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Subspecies and Distribution.
B. s. stellaris Palearctic and Oriental regions and Afrotropical regions. B. s. capensis S Africa. | ||||||||||
Descriptive notes.76 cm, 1800 gr, wingspan 130 cm. female lighter, can be paler or darker than illustration.Color of lores varies seasonally. Juvenile has cap and moustache paler, dorsal pattern less defined. Habitat.During breeding season: quiet, peaceful marshes around lakes and rivers with extensive reedbeds, these must be comprehensively flooded and fairly shallow, with mixture of young and old reeds and clearings where bird can fish undisturbed and unseen. Sites with either fresh or brackish water.Out with breeding season, varied habitat, including grassy areas, beds of cress, gravel pits, fish farms, ditches, etc. Food and FeedingVery varied diet, depending on place and season mainly Fish andamphibians. Other important items include insects, spiders, small reptiles and birds.Feeds alone usually hidden away in dense vegetation by standing motionless or by "walking slowly". Active by day, crepuscular and nocturnal. Breeding.Mar-Jun in Eurasia, in S Africa during rains.Often polygamous, male mating with up to 5 females. Nests in midst of dense reedbeds, and not far from open water. Nest on mat or dead plants close over water or sometimes even floating on it. 4-5 eggs, incubation 25-26 days. chicks have brown down rufous below. Female alone builds nest, incubates and feeds chicks. Sexual maturity at 1 year old. Movements.Post-breeding movements by juveniles. Partial migration, affecting only most northerly populations of Eurasia. Which move mostly to S and SE Asia, S Europe and Mediterranean basin, while some cross Sahara.Migration tends to be mostly nocturnal. Status and Conservation.Not globally threatened. Now considered near threatened. General decline especially in Europe, due to pollution, huting and collecting of eggs and chicks.Israel.In Israel subspecies B. s. stellaris. quite rare passage migrant, mostly winter visitor. |
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