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Barn owl: briefly
Study areas in Scotland
Research methods
Distribution and variation
Variation within subspecies
Variation among subspecies
Related spedies in the genus Tyto
Diet
Diversity of prey in the diet
Diet in relation to habitat
Seasonal changes in diet
Long-term changes in diet
Foraging behaviour
General foraging adaptations
Vision
Hearing
Prey searching in wild birds
Ecology and behaviour of the prey
Temporal changes in prey numbers
Habitat preferences
Activity patterns
Prey selection, foraging habitats and energetics
Selection among potential prey species
Selection with prey species
Size of prey items
Selection of foraging areas
Energetics
Ranging and roosting behaviour
Seasonal changes in ranging behaviour
Home ranges during the breeding season
Roosting behaviour
Moult
Sequence of moult
Timing of moult
Evolutionary aspects of moult
Breeding seasons
Geographic variation in breeding seasons
Variation in laying dates within populations
Effect of habitat on laying dates.

(cont) Effect of female size and age on laying dates
Nest sites
Types of nest site used
Nest site preference
Courtship and eggs
Courtship
Eggs
Incubation
Incidence of non-laying
Seasonal trends in clutch size
Second clutches
Clutch size and annual variation in prey abundance
Clutch size in relation to habitat and female age
Production of young
Hatching
Chick growth and development
Mortality of chicks
Fledging success
Production in different populations
Dispersal
Comments on methodology
Post-fledging dispersal in Europe
Comparison of the sexes
Direction of dispersal in Europe
Dispersal of North American barn owls
Dispersal distance in relation to vole abundance
Fidelity to nest site and mate
Dispersal and the avoidance of inbreeding
Mortality
Seasonal patterns of mortality
Mortality rates in relation to age
Mortality rate in relation to food supply and weather
Causes of death
Population size and regulation
Nature of population changes
Causes of population changes
Limitation of population density.

(cont) Conservation
Evidence for population decline
Causes of population decline
Conservation management
Monitoring barn owl populations.

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