Road mortality of the little owl (Athene noctua) in Spain.

Causes of little owl road mortality were investigated, based on 418 road casualties and their relation to road characteristics and roadside cover. Road casualties are the most important cause of non-natural mortality of the little owl in Spain. All road casualties occurred at night. Along illuminated roads mortality rates are lower. Little owl is most frequently killed during summer due to high vulnerability during the postfledging dispersion life stage. A higher number of deaths occurred in shrub type of vegetation of < 1m, because no adequate perches were available and birds sat on the pavement. On the other hand, the presence of trees in the proximity of a road (<20m) was associated with decreased road mortality, being the more favourable vegetation between 1 and 3 m high. The greatest mortality was found in road with dense and fast traffic. Curves may act in two ways: preventing owls from see the cars but also reducing car speed. Palabras clave: Bird, Bird of prey, Fauna casualty, Highway, Mortality, Owl

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Hernández M. Road mortality of the little owl (Athene noctua) in Spain. SORA, 1988.

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Fecha de creación 23-05-2025
Fecha de última modificación 23-05-2025
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