Seasonal Variation in Mammal Contents of Barn Owl Castings

Webster, J. A.

doi:10.1080/00063657309476380

Cited by 26 publications

(16 citation statements)

References 7 publications

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“…This seasonal trend was also documented by other authors (Webster, 1973;Brown, 1981;Bunn et al, 1982;Campbell et al, 1987;Barbosa and Benzal, 1996;del Guasta, 1999;Bose and Guidali, 2001;Debrot et al, 2001;Mahmood-ul-Hassan et al, 2007c). The changes in the prey composition in the south Punjab may reflect the opportunistic hunting strategy of the barn owl in relation to abundance and availability of prey items (Marti, 1972;Webster, 1973;Brown, 1981;Barbosa and Benzal, 1996;del Guasta, 1999;Bose and Guidali, 2001;Debrot et al, 2001;Mahmood-ul-Hassan et al, 2007c). The spotted owlet foraged more on Mus species throughout the year, with its lowest proportion during the fall.…”

Section: Discussionsupporting

confidence: 82%

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A comparative study of the diets of barn owl (Tyto alba) and spotted owlet (Athene brama) inhabiting Ahmadpur East, Southern Punjab, Pakistan

Nadeem¹,

Imran

Mahmood

et al. 2012

Animal Biol

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A comparative study of the diets of barn owl (Tyto alba) and spotted owlet (Athene brama) inhabiting Ahmadpur East, Southern Punjab, Pakistan AbstractThe diets of the barn owl (Tyto alba) and the spotted owlet (Athene brama) inhabiting the periphery of the Cholistan Desert at Ahmedpur East, southern Punjab were compared. Pellets of the two owl species were analyzed to learn more about their diets. The barn owl mainly consumed Suncus murinus (60.2%), birds (24.1%) and rodents (12.7%), while the spotted owlet depended on Mus species (36.8%), Suncus murinus (20.1%), birds (14.1%), reptiles (8.9%) and insects (6.7%) for its food. There was a low degree of food overlap of the two owls among the seasons.

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Section: Discussionsupporting

confidence: 82%

“…Glue, 1967;Webster, 1973;Petretti, 1977;Walsh, 1984;Hassan, 1998;Ahmad, 2000;Alvarez-Castaneda et al, 2004). The pellets considerably varied in size throughout the year.…”

Section: Discussionmentioning

confidence: 99%

A comparative study of the diets of barn owl (Tyto alba) and spotted owlet (Athene brama) inhabiting Ahmadpur East, Southern Punjab, Pakistan

Nadeem¹,

Imran

Mahmood

et al. 2012

Animal Biol

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“…Although barn owls are vole specialists (Derting & Cranford, 1989;Fast & Ambrose, 1976) the proportion of voles in their diet can vary widely. For example, many previous studies have shown prey shifting by barn owls in response to temporal changes in vole abundance (Colvin, 1984;Webster, 1973). Barn owls residing in urban areas have diets containing a higher proportion (13-55%) of rats and birds (Buckley & Goldsmith, 1975;Campbell et al, 1990;Salvati, Ranazzi, & Manganaro, 2002).…”

Section: Discussionmentioning

confidence: 95%

Do landscape features predict the presence of barn owls in a changing agricultural landscape?

Hindmarch

Krebs

Elliott

et al. 2012

Landscape and Urban Planning

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“…The barn owl (Tyto alba) was used as the predator for our study as this species feeds heavily upon small mammals, especially rodents (Craighead and Craighead, 1956;Rickart, 1972;Webster, 1973;Brown, 1981). Three female barn owls, caught as fledglings in 12 THE AMERICAN MIDLAND NATURALIST 121(1) Montgomery Co., Virginia, were used after they were five months of age.…”

Section: Methodsmentioning

confidence: 99%

Physical and Behavioral Correlates of Prey Vulnerability to Barn Owl (Tyto alba) Predation

Derting¹,

Cranford²

1989

American Midland Naturalist

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JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org.. The University of Notre Dame is collaborating with JSTOR to digitize, preserve and extend access to American Midland Naturalist.ABSTRACT.-Prey vulnerability to barn owl (Tyto alba) predation was investigated using three rodent species-Microtus pennsylvanicus, Peromyscus leucopus and P. maniculatus. Relationships between rates of prey capture and the species, age, sex, body size and behavior of prey were assessed. Microtus were captured significantly more often than individuals of either Peromyscus species. Adults were captured more often than juveniles in each species except P. maniculatus. Capture rates of males as compared to females differed significantly among juveniles of each prey species but not among adults. Differential vulnerability of prey was correlated with prey size and behavioral characteristics influencing their vulnerability to capture. The results indicate that by foraging preferentially on Microtus, barn owls could maintain high levels of energy intake while minimizing foraging time and costs.

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Seasonal Variation in Mammal Contents of Barn Owl Castings

Cited by 26 publications

References 7 publications

A comparative study of the diets of barn owl (Tyto alba) and spotted owlet (Athene brama) inhabiting Ahmadpur East, Southern Punjab, Pakistan

A comparative study of the diets of barn owl (Tyto alba) and spotted owlet (Athene brama) inhabiting Ahmadpur East, Southern Punjab, Pakistan

Do landscape features predict the presence of barn owls in a changing agricultural landscape?

Physical and Behavioral Correlates of Prey Vulnerability to Barn Owl (Tyto alba) Predation

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