the big family of the forest-singers counts over 100 types far, that are spread only in the new world. it stands in the zoological system near the Tangaren. Only the forest-singers I.e become at this place.S. treat.
Spread The small (10-19 cm of length) ones and often shining colorfully colored forest-singers are neotropischer origin (Mexico until South America). However, most types populate whole North America during the incubation as typical migratory birds. Here they fall particularly in the eye, because the nearktische bird-world is poor at bird-types (only approximately 750). Gladly, the birds with the warblers (subfamily Sylviinae) of the old world are compared. The myrtles or Kronwaldsänger (Dendroica coronata) spends the winter also in the eastern North America, the Palmsänger (Dendroica palmarum) in Florida. Other types never leave the tropics; they are stand-birds there.
Characteristics Typically, its slim, pointed beak, that often rearranges at the reason from bristle-fields, be for the forest-singers. The tongue-top can have slit, never has frayed (Pitpits) brush-shaped, however.
The blunt plumage is enough from dark-dawns and olivbraunen sounds over a powerful color-palette until shining yellow, blue or red. The brood-dress of the males brooding in North America differs very strongly from the silence-dress, that aimed only in the autumn after achievement of the hibernation-areas and is changed again northward already before the takeoff. The silence-dress is frequent very similar the plumage of the females and differs only unimportantly from type to type. With the purely tropical types, both sexes are immediately colored, with it however often the whole year over quite colorful.
Way of life Most forest-singers, Z, live in. T. quite sociable, the upper tree-floors; only few are in ground-proximity or are even complete tied at the ground. its food consists of insects, plant-sharing and fruits. The forest-singers can carry off insects in the flight or - more frequently - directly from leaves and trees absammeln. So, the tree-runner or Kletterwaldsänger (Mniotilta varia) pecks its food after type of the tree-runners from the bark-splits of the trees.
The habitats of the individual types are clear separate. Needle and foliage-forests were populated on that occasion like swamps and brushland as well. Some tropical types specialized on the mangrove-forests along the coasts.
The forest-singers hardly appear despite its name because of particular chant-performances; rather, its voice is very high and tender. The chant is recited however usually persevering. The biggest type, the 19 cm long yellow-breast-forest-singer (Icteria vireus), does an exception. Not only this loud and deep voice but also the ability, to mock, excellently, yielded it the name "Ventriloquist."
Brood The nests of the North American brood-birds are built by the female mainly; only rarely, the male participates. The form of the nest varies like the nest-situation from type to type as well: So, one finds open, bowl-shaped nests in the trees as well like roofed with lateral input in the most different altitudes. Some types are cave-breeders and use abandoned woodpecker-caves or Nistkästen. The female always incubates the 4-5 eggs alone and is only fed by the male on that occasion as an exception.
Differently, the tropical types behave. Here the nests often stand in the dense ground-vegetation, the nest-number is more inferior (2-3 eggs), moreover the male is much more strongly involved at the nest-construction and with the brood-care.
In some cases, different forest-singer-types help themselves among each other with the Aufzucht of the boys. This behavior lets closed on a strong brood-care-instinct. This help becomes granted inadvertent also the Kuhstärling (Molothrus ater, Stärlinge), that plays the role of the Central European cuckoo as brood-parasites in North America.
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