1980
DOI: 10.1080/00063658009476666
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Farming influences on the food and hunting of Kestrels

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Cited by 48 publications
(19 citation statements)
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“…Field margins and cereals showed a similar hunting yield, and we can expect that hunting yields in those habitats unused by Lesser Kestrels will be very low, as was confirmed in other radio‐tracking studies on Lesser Kestrels (Donázar et al 1993). This could be due to lower prey availability or to differences in the structure of vegetation among habitats determining prey accessibility (Shrubb 1980;Bechard 1982;Toland 1987). This seems unlikely, however, because differences in height and cover of vegetation among habitats are almost negligible in the study area (Tella et al 1996 b , personal observation).…”
Section: Discussionmentioning
confidence: 99%
“…Field margins and cereals showed a similar hunting yield, and we can expect that hunting yields in those habitats unused by Lesser Kestrels will be very low, as was confirmed in other radio‐tracking studies on Lesser Kestrels (Donázar et al 1993). This could be due to lower prey availability or to differences in the structure of vegetation among habitats determining prey accessibility (Shrubb 1980;Bechard 1982;Toland 1987). This seems unlikely, however, because differences in height and cover of vegetation among habitats are almost negligible in the study area (Tella et al 1996 b , personal observation).…”
Section: Discussionmentioning
confidence: 99%
“…2000). Studies of aerial hunters such as kestrels Falco tinnunculus and F. sparverius (Shrubb 1980, Toland 1987) have also shown that foraging activity and hunting success are higher over less densely vegetated habitats, although other species adapt behaviourally to hunting in vegetation of different structure. For example, although Loggerhead Shrikes Lanius ludovicianus prefer to hunt using perch‐and‐wait tactics over short vegetation, Yosef and Grubb (1993) found that the birds’ hunting frequency and success over high vegetation could be maintained (perhaps at greater energetic cost) by switching to hunting by hovering and aerial chases.…”
Section: How Does Vegetation Structure Affect Birds?mentioning
confidence: 99%
“…For example hedgerow removal, with the maintenance of field boundaries as strips of rough grassland, may have favoured both voles and the ability of Kestrels to catch them. Shrubb (1980) has shown that Kestrels hunt mainly on the permanent features of the farming landscape, such as field boundaries and clover leys; cereal fields, comprising 60% of the study area, were ignored during the breeding period, but were widely hunted during the winter. O'Connor (1982) has shown that, with the large increase in the Kestrel population, the diversity of nesting habitat has increased and a delay in breeding has occurred, resulting in a reduction of clutch size.…”
Section: Resultsmentioning
confidence: 99%