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Article
L. Serra, Auteur ; D. A. Whitelaw, Auteur ; A. J. Tree, Auteur ; L. G. Underhill, AuteurData on 355 Grey Plovers, Pluvialis squatorola, ringed in South Africa in 1971-1997 were analysed. Biometrics could not identify Well-defined origins in the Siberian breeding grounds, but suggested the:presence of birds from east of the Gydan Pe[...]
Article
L. Serra, Auteur ; D. A. Whitelaw, Auteur ; A. J. Tree, Auteur ; L. G. Underhill, AuteurDans Ardea (87(1) 1999)Data on 355 Grey Plovers Pluvialis squatarola trapped in South Africa in 1971-1997 were used to describe seasonal body mass variation and moult in relation to their very long migrations. The estimated duration of adult primary moult, 131 days, w[...]
Article
Status, biometrics, moult and possible relationships of the South African population of Roseath Tern
A. J. Tree, Auteur ; N. Klages, AuteurThe breeding population of Roseate Terns in southern Africa was estimated to be 250-260 pairs in 2000. Adult birds caught during nocturnal tern roost mist-netting on Bird Island and at Cape Recife, both in Algoa Bay, were closest to their North [...]
