Field signs. Considerably larger than all other kamyshovok, larger than the sparrow. Burovato Top-olive-green, low whitish, slightly ohristy, especially on the sides. Through the eyes goes dark stripe, there is a clear bright eyebrow. Male and female indistinguishable. Weight 25-38 g, 19-21 cm in length, wing 8,6-10,2 cm, the magnitude of 25-30 see Song loud and very original. This is a grave treskuchie cries, trills, whistling made nespeshno separately. The most characteristic and often sounding phrases - skrezheschusche-karkayuschie "Carrie-kere," "Cherry Cherry black", "chrr-chrrr, CD-CD-Chiri "Etc. Often inserts the song to other people's cries and phrases from songs, but their heavily modified. When the singing dog is sitting in the bush or cane, sometimes changing place, get out at the top of bushes or high stalks. Maybe long to sing at the same place. Birds are not very shy and usually allow ourselves to see with short distances, but a passive singing see them in the bush is not easy. Sometimes flit with the song with prisady to prisadu. Sing all the daytime and at dusk, when the moon could sing and night. Pozyvka - grave "chrrr" or "trrr" roughly the same as in the song. When anxiety - "chrry," "Chuck", "well, as well as pozyvki often - snatches of songs (Ryabitsev, 2001). Distribution. Typical bird southern reed. At nesting has been traced to the east before Salaira, and then from Lake Baikal (Stepanyan, 1978). SM Prokofiev (1987) shows her as very rare, possibly nesting species Minusinsk depression, recently expanding its range, over the years he met this bird in floodplains White Iyus and Chulym (Rogacheva, 1988). We mark as usual bird only Ubsu-Nurskoy basin. Nesting in other parts of Central Siberia at this time should not take for granted (Savchenko, Baikal, 1996). Habitats. The most preferred habitat - high and dense thickets of reeds from various kinds of water, often - with bushes. More rarely live in deprived paraaquatic willowy cane or thick floodplain forests vysokotravem. At the lakes are very common reed colony, in which pairs of neighboring nests may be located only 5-15 meters from each other. Typically these colonies are on islands (Ryabitsev, 2001). Phenology. In the forest-steppe and forest zones in the south priletayut around mid or late May. Fly off in August - early September (Ryabitsev, 2001). Reproduction. Nest, usually pripletayut to last year's stalk of sugar cane over the water at a height of 0.1 to 1.7 meters from the female builds a nest of wet plant material - sugar cane leaves, grass, etc., so that after a very dry jack strong, it is very thick bottom. Tray lining fragments metelok cane, soft grass, thin fibers, roots, plant down, it is a little wool and feathers. Tray neat and insightful. Willing to use as breeding material from the skin networks, VT, lines. There may build nests in the bushes over the water or near water. In laying 3-6, 5 more eggs spotted a beautiful colors: Fon pale bluish or greenish, olive or brown spots, usually large and dark, but in different color options may be small and pale, as well as spots of different density, density and the value of one egg. The size of eggs 19-27 x 14-18 mm. Nasizhivayut, starting with otkladki penultimate or last egg, male and female 14-15 days. In addition, the male feeds nasizhivayuschuyu female. Often polygyny, when a male, two or even three females. With the risk of poultry in advance trying to leave the nest and with concern flit in the neighboring bush. When the nest of young adults over bothersome, can simulate an attack, raids on people. The young naked, mouth yellow or orange-yellow, on the basis of language, two oblong black spots, klyuvnye rollers pale yellow. Ptentsy sitting in the nest 13-14 days, they are fed by both parents. Out of the nest, not umeya fly, but well climb the stalk. Ochutivshis in the water, swim with confidence and get out on their own stems. Part steam after chicks from nests care of them assume the male and female builds a new nest and begins a new immure. Drozdovidnye kamyshovki - one of the most routine care kukushat. Because of the similarity in the amounts recognized in the laying of the kamyshovki kukusheche egg is not easy - as birds, and ornithologists (Ryabitsev, 2001). Nutrition. In the diet is dominated by insects living on paraaquatic plants. In addition, the catch of invertebrates, floating in the upper layer of water, and even golovastikov, lyagushat small, small fish (Ryabitsev, 2001). References. |
