additional the tube-singers i. e. S. (Type Acrocephalus, even further types of the warblers carry the same name; not always rightly, because many types don't live exclusively in the "tube-forest."
Habitat Although seems the preferred brood-biotope to be easily differently with every tube-singer-type, several types are usually found side by side, however. Whether it causes a zwischenartlichen competition, often is not known. Z is so. B. the pond-tube-singer (Acrocephalus scirpaceus); 12,5 cm of length, in the same biotope as the throttle-tube-singer, A. arundinaceus; 19 cm of length, and the reed-singer, A. schoenobaenus; 13 cm of length, to find. In this case, the smaller pond-tube-singer must give way to the bigger throttle-tube-singer.
Spread The tube-singers are widespread in the restrained widths of the elderly Weltweit. As example, the throttle-tube-singer belongs to a group of very similar forms, that lives in a large part of Europe, Asia and Australia together. The birds from areas, that are strong seasonal fluctuations subservient, are migratory birds in principle; they spend the winter in north - until South Africa as well as. India, Sri Lanka and Burma.
Shape All tube-singers (18 types) are colored brown or reddish brown on the upper side, Z. T. drawn more brightly; they are on well tried with it its habitat and, to amount only heavily in the dense vegetation of the swamp and Röhrichtgebiete. However also in the dense hedge at forest-edges and on forest-clearings (Z). B. Bush-tube-singers, Acrocephalus dumetorum, or at hedge-hands ditch-edges (swamp-tube-singers) A. palustris, the plumage-coloring offers an outstanding camouflage.
Food With their at the top at the side compressed, behind flat beak, the birds look for insects at plants. The Tamariskensänger, A. melanopogon, fishes the main-part of the food of the water-surface like the throttle-tube-singer as well.
Endangering The throttle-tube-singer, A. arundinaceus, belongs to the strongly endangered types, and also the reed-singer, with us A. schoenobaenus, is threatened in its continuance.
Swamp-tube-singers The most frequent tube-singer in Central Europe is the swamp-tube-singer (Acrocephalus palustris). it is among the smallest types (Z) with a length of 12,5 cm. B. Throttle-tube-singers: 19 cm. it broods in low hedge at the shores of the rivers, brooks and seas, cancels also over fields (grain-fields) to the eating, however, if they are in the proximity. The male usually sings in immediate proximity of the nest. The chant is more melodious and variation-richer than with the other tube-singer-types and almost always includes imitations of other bird-voices. The bird sings not only the whole day over, often also through the whole night. With other types, Z. B. the reed-singer, the chant also often is recited in the Balzflug.
Brood The nests of the tube-singers, deep and carefully manufactured bowls, is fortified at vertically standing stalks; if they are erected densely in the young reed over the water-surface, they move into the height with the growth of the stalks. Usually broods and feeds both sexes.
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