Bulletin, Tema 223

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U.S. Government Printing Office, 1960
 

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Página 13 - ... occasional egg in a nearby nest of their own species. The Viduinae are, as stated earlier in this paper, intermediate between the typical weavers (Ploceinae) and the waxbills (Estrildinae). In many species (perhaps the majority) of the former group, and also in a good number of forms of the latter group, the hens breed in nests, the actual construction of which has been foreign to their experience and their efforts; in many forms of the latter group, and at least some members of the former subfamily,...
Página 162 - Club, vol. 43, pp. 29-30. 1923. Report on the birds collected during the British Museum expedition to the Ivory Coast (French West Africa). Ibis, ser. 11, vol. 5, pp. 667-748.
Página 13 - ... birds) in those two families some of whose members have carried the habit of nest building to its highest and most complex development. It is all the more noteworthy that in the weaverbirds, a larger group than the hang-nests and one with greater diversity of behavior patterns, the parasitic habit has developed in two subfamilies, apparently [independently — the cuckoo finch, Anomalospiza imberbis, in the Ploceinae, and in the members of the Viduinae, three of which are definitely known to...
Página 125 - Africa and on this basis suggested that the two species may be more closely related to each other than to the other members of the genus Vidua.
Página 98 - ... definitely established its territory there, and apparently the bush in which it was first found was its singing perch. The next day I spent a couple of hours watching it and tried to make it fly off, but it would not go more than a hundred feet and then circle back gradually, There was a single hen bird in the immediate vicinity. I shot the male and found the testes were much enlarged. The plumage was still very fresh; hi fact the long central rectrices still retained a little of their sheaths...
Página 98 - ... successive days and was apparently without a mate as yet. It had a territory about 400 yards in diameter, considerably larger than that of the first male, but more open, less bushy, and probably contained possibilities of no greater number of nests to parasitize than the other. The third and last male had a smaller breeding area and was usually accompanied by three or four brownish henlike birds. I shot one of these birds and found it to be a male — a year-old bird in first nuptial plumage....

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