Browsing OSU - Electronic Theses and Dissertations by Author "O'Connell, Timothy"
Now showing items 1-4 of 4
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Investigating the effects of weather, artificial lighting, and polarized light on bird-building collisions in the downtown area of a major U.S. City
Lao, Sirena (2019-05)Collisions with buildings are a major source of human-caused mortality of birds, killing up to 1 billion birds annually in the United States. Most bird-building collision studies have focused on building and landscape-related ... -
Precocial sexual selection in Crotaphytus collaris: A field study
Agan, Justin W. (2021-07)Color traits in animals can take on a variety of forms and serve many functions, including warnings to predators, advertisements to attract mates, and deterrents to rivals. Color is often sexually dimorphic and has variations ... -
Spatial and temporal components of environmental predictors in species distribution modeling: a case study using Bell's Vireo (Vireo bellii)
Walker, Cassondra M. (2018-12)The largest threats to biodiversity are global climate change and habitat loss, both of which are global concerns due to decreases in species’ populations. Understanding species’ responses to both threats is needed and a ... -
Thresholds of woody vegetation tolerance among birds in the southern Great Plains
Knutson, Jennifer (2021-12)Across the globe, grasslands are experiencing a loss of ecosystem services due to numerous threats, such as overgrazing, agriculture intensification, and woody plant encroachment. In North America, an estimated 20% of ...