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Ouvrage
D. Ward ; N. Holmes ; P. Jose | Bedfordshire/Sandy : The Royal society for the Protection of Birds (RSPB) | 1994Royal Society for the Protection of Birds RSPB Sandy (GBR)* National Rivers Authority NRA* Royal Society for Nature Conservation RSNC 426p ill
Ouvrage
Royal Society for the Protection of Birds RSPB Sandy (GBR) 100p
Article
D. Y. Okubamichael, Auteur ; M. Z. Rasheed, Auteur ; M. E. Griffiths, Auteur ; D. Ward, AuteurWe documented avian consumers of the mistletoe Agelanthus natalitius in the field and quantified their effects on seed germination in captive studies. Seven bird species were frequently observed to feed on mistletoe fruits in the field, namely C[...]
Article
D. Ward, AuteurClassical polyandry in birds is rare and is most Frequent in the shorebirds (Charadriiformes). Polyandrous shorebirds lag. smaller eggs for their body masses than non-polyandrous shorebirds, indicating that polyandrous female shorebirds may trad[...]
