. Oologia neerlandica : eggs of birds breeding in the Netherlands . en Mededeelingen der Nederlandsche Ornithologische Vereeniging,No. 1 (1904), pages 52, etc XXI. Family MACROPTERYGIDAE. Family MACROPTERYGIDAE. Apus apus (L.) — Swift. (Plate 91, fig. a-c).(Snouckaert: Avifauna Neerlandica, p. 53, No. 129). Colour of surface of shell:Average dimensions:Average weight of shell:Texture of shell: Shape: Nest: Site of nest: Number of eggs:Breeding season:Duration of incubation: dull white. X 16 millimetres. gram. characterized by a fine uniform granulation(Quite incorrectly described as
. Oologia neerlandica : eggs of birds breeding in the Netherlands . en Mededeelingen der Nederlandsche Ornithologische Vereeniging,No. 1 (1904), pages 52, etc XXI. Family MACROPTERYGIDAE. Family MACROPTERYGIDAE. Apus apus (L.) — Swift. (Plate 91, fig. a-c).(Snouckaert: Avifauna Neerlandica, p. 53, No. 129). Colour of surface of shell:Average dimensions:Average weight of shell:Texture of shell: Shape: Nest: Site of nest: Number of eggs:Breeding season:Duration of incubation: dull white. X 16 millimetres. gram. characterized by a fine uniform granulation(Quite incorrectly described as „coarsegrained by some authors). elongated. consists of straws, leaves, hair and feathers,all sorts of rags, etc., agglutinated togetherwith mucous saliva, which soon dries bythe action of the air, and gives it a var-nished appearance. in holes and crevices in the walls of towersand other buildings; under roof-tiles, forests: in tall hollow trees; always incolonies. 2 (in exceptional cases 3-4). end of May-June. about 16 days. 91 Fam.
Size: 1381px × 1809px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookdecade1910, bookidoologianeerlandi12pelt
