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Showing 1 to 5 of 5 for “"Northern Cardinal"”.
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Ornamentation, Behavior, and Maternal Effects in the Female Northern Cardinal
… maternal effects, and behavior in the female Northern Cardinal (<em>Cardinalis cardinalis</em>). Female birds possess ornaments that indicate a number of important known aspects of quality and are usually costly to maintain. However, the extent to which female specific traits, such as maternal …
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Territorial Defense Strategies in the Northern Cardinal (<i>Cardinalis cardinalis</i>): Who is the Bigger Threat?
… in relation to territories year round in the northern cardinal (<em>Cardinalis cardinalis</em>). Responses to recorded neighbor song and stranger song playback from the middle of a focal male’s territory were measured. This allowed for an estimation of aggression in both the winter and spring …
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Seasonal Variation in Corticosterone, Stress Responses, and Physiology in the Northern Cardinal <i>Cardinalis cardinalis</i>
… ubiquitous in mid- to high-latitude vertebrates. Northern Cardinals (Cardinalis cardinalis) are a Temperate dwelling passerine of Tropical-descent with a wide species range (tropics to Northern Temperate zones). This species encounters a wide variety of environmental conditions and strong …
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Songbird community ecology and habitat selection in the Chicago area
… invasion, while understory species such as the northern cardinal (Cardinalis cardinalis) showed positive responses. Regarding forest-suburb edges, I found that whereas forest bird community composition changed with distance from the edge, the suburban bird community remained homogenous …
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Factors Affecting Songbird Richness, Abundance, and Nest Survival in Riparian Forests in a Midwestern Agricultural Landscape
… influence nesting success of songbirds, using Northern Cardinal (Cardinalis cardinalis) as a focal species. I found that nest concealment in exotic shrubs decreased in midsummer whereas nest concealment in natives remained constant. I also found that nest survivorship of Cardinals decreased in …