Size cline not subspeciation in the Hooded Vulture

Wing, tail and bill lengths of Hooded Vultures were measured on 36 wild-caught birds and 75 in museum collections. A further 60 measurements were taken from literature, and 40 measurements were received from the Musée royal de l’Afrique centrale (Tervuren, Belgium). By grouping them into regions of Africa it was shown that the smallest birds were in West Africa and the largest in southern Africa (which is well known), with a gradation in between. Sizes varied according to a cline, and were correlated with average altitude. Given that the species has the same colouration (head, caruncles, plumage) from one end of the range to the other, indeed that populations are contiguous from Senegal to South Africa, then this goes against recognising any subspecies, but rather an intraspecific trend in sizes

An overview of the first international symposium on the Rüppell’s Vulture in the Mediterranean region, 24th March 2021

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Further observations and implications of Oil Palm Elaesis guineensis fruit consumption by Hooded Vultures Necrosyrtes monachus in coastal Gambia.

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Notes on vultures (Cathartidae) in Paraguay with a supporting bibliography

Paraguay is often overlooked by ornithological researchers as much of its literature is obscure, hard to find or published locally. This is equally true of Cathartid vultures. In an effort to bring this information to a wider audience, we provide a summary of the published Paraguayan literature for each of the four species of vultures that occur in the country, including a history of vulture studies, folklore, a local synonymy and an attempt at a complete bibliography

Leg loop Harness. Design and Method 4

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Use of vulture bone flutes and other products in China

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Leg loop Harness. Design and Method 6

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A classification of methods used to attach devices to vultures and condors

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Introduction

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Leg loop Harness. Design and Method 5

No abstract.