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Article

Behavioural ecology of the Namibian violet woodhoopoe Phoeniculus damarensis

Morne A. du Plessis, Auteur ; Robert E. Simmons, Auteur ; Andrew N. Radford, Auteur

Dans Ostrich (78(1) APR 2007)

We studied the behavioural ecology of the Violet Woodhoopoe Phoeniculus damarensis, a rare species endemic to Namibia and southern Angola. Groups in Namibia consisted on average of 4.3 +/- 1.6 individuals, with apparently only a single breeding [...]

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Article

Females increase reproductive investment in response to helper-mediated improvements in allo-feeding, nest survival, nestling provisioning and post-fledging survival in the Karoo scrub-robin Cercotrichas coryphaeus

Penn Lloyd, Auteur ; W. Andrew Taylor, Auteur ; Morne A. du Plessis, Auteur ; Thomas E. Martin, Auteur

Dans Journal of Avian Biology (40(4) JUL 2009)

In many cooperatively-breeding species, the presence of one or more helpers improves the reproductive performance of the breeding pair receiving help. Helper contributions can take many different forms, including allo-feeding, offspring provisio[...]

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