Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 6 of 6 for “"barn swallows"”.
-
Citizen science reveals complex changes in barn swallow phenology in South Africa over three decades
Palearctic migrants, including barn swallows Hirundo rustica, responded to climate change in Europe from the mid to late 1900s with phenological changes, mostly showing earlier arrival and start of breeding. During this period, barn swallows in the Palearctic exhibited variable patterns of change …
-
Nestling Diet, Quality, and Post-fledging Survival: Comparing Two Species of Aerial Insectivores in a Gradient of Agricultural Intensity in Saskatchewan, Canada
… approach between two sympatric species, Barn Swallows (Hirundo rustica) and Tree Swallows (Tachycineta bicolor), following a scale-of-effect approach, I investigated whether the intensity of agriculture was associated with parental selection of prey resources, nestling body condition and …
-
Niche segregation among three sympatric species of swallows in southern Ontario
Barn Swallows (Hirundo rustica), Cliff Swallows (Petrochelidon pyrrhonota) and Tree Swallows (Tachycineta bicolor) breed sympatrically in southern Ontario but it is unclear how these species differ ecologically, and their coexistence implies niche segregation. I investigated potential interspecific …
-
Migratory connectivity and differential patterns of decline in Barn Swallow (Hirundo rustica) in North America: Potential effects of factors on breeding and wintering grounds
… at greater rates than any other group. The Barn Swallow (Hirundo rustica) is a long-distance migrant and an aerial insectivore whose breeding populations have declined drastically in northern regions of North America but remain stable in certain areas of the southern United States. However, …
-
A Quantitative Analysis of the Geomorphic Agency of the Mud-Nesting Swallows in Central Texas
… deposition conducted by the three mud-nesting swallows of Central Texas, namely the barn swallow (Hirundo rustica), the cave swallow (Petrochelidon fulva), and the cliff swallow (Petrochelidon pyrrhonota). The study area for this research is within the city limits of San Marcos, Texas, which …