Breeding Kestrels Falco tinnunculus were studied in Rome with the aim to test the Gehlbach's model. Density was very high in the city-centre (1.9 pairs/km2) and relatively high in the suburbs (0.6 pairs/km2). Nest spacing was low in the city-centre, and close-nesting pairs were recorded. Breeding success was consistent with that of the other European urban areas. Availability of nest-sites, especially holes in ruins, and abundance of prey, especially birds and bats, can partially explain the high breeding density observed in the city-centre. Significant differences among study areas were found in density, spacing, use and reoccupation of nest-sites, confirming the Gehlbach's model. The number of fledglings per pair, number of successful pairs and fledging date did not significantly differ among study-areas, in contrast with the Gehlbach's model.

Population features of Kestrels Falco tinnunculus in urban, suburban and rural areas in Central Italy

Salvati L.;
1999-01-01

Abstract

Breeding Kestrels Falco tinnunculus were studied in Rome with the aim to test the Gehlbach's model. Density was very high in the city-centre (1.9 pairs/km2) and relatively high in the suburbs (0.6 pairs/km2). Nest spacing was low in the city-centre, and close-nesting pairs were recorded. Breeding success was consistent with that of the other European urban areas. Availability of nest-sites, especially holes in ruins, and abundance of prey, especially birds and bats, can partially explain the high breeding density observed in the city-centre. Significant differences among study areas were found in density, spacing, use and reoccupation of nest-sites, confirming the Gehlbach's model. The number of fledglings per pair, number of successful pairs and fledging date did not significantly differ among study-areas, in contrast with the Gehlbach's model.
Akademia Nauka
Internazionale
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11393/278275
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