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Auteur G.F. Van Tets |
Documents disponibles écrits par cet auteur (4)
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Article
P.V. Rich ; G.F. Van Tets ; T.H.V. Rich ; A.R. Mcevey 1987Mem Queensland Mus 25 p207-225![]()
Article
C.J.R. Robertson ; G.F. Van Tets 1982Notornis 29(4) p311-336![]()
Article
G.F. Van Tets 1968CSIRO Wildlife Research, 13(1)A comparison was made of the seasonal distributions of mortalities of silver gull, Larus novaehollandiae Stephens; black-billed gull, Larus bulleri Hutton; southern black-backed gull, Larus dominicanus Lichtenstein; black-headed gull, Larus ridi[...]![]()
Article
G.F. Van Tets 1966CSIRO Wildlife Research, 11(1)Densities of bird flocks in flight were calculated from photographs for 60 species which ranged in size from 35.3 lb mute swans to 0.046 Ib cliff swallows. An average density of 37 lb per 1000 cu ft of airspace with a standard error of 13 lb per[...]



