An ethogram for the nesting and breeding behaviour of the Hooded Vulture Necrosyrtes monachus
Fern, Fiona K | Thompson, Lindy J | Downs, Colleen T.
Most vulture species worldwide are in decline and of conservation concern. Despite the growing attention to vultures, relatively few studies have focused on their breeding behaviour. Understanding all aspects of a species’ behaviour and its behavioural needs could help to inform conservation efforts. Behavioural studies can be enhanced with the use of an ethogram that clearly defines and describes distinct behaviours. We present the first ethogram detailing the nesting and breeding behaviours of the Critically Endangered Hooded Vulture Necrosyrtes monachus, compiled from over 400 000 nest camera photographs and from hours of direct personal observations at nests in north-eastern South Africa. We describe 28 behaviours that Hooded Vultures exhibited in and around their nests, and these fell into five discrete categories: Movement, Resting, Body Care, Social, and Nesting. We also present 34 camera trap images depicting behaviours from within each category, and discuss the uses and limitations of behaviour-recording technologies. Many of these behavioural elements may be common across vulture species, and so this ethogram may be a useful starting point for other researchers studying vultures globally.
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