105 results — topic: Environmental Contamination ·
Book
Rocky Mountain Birds: Birds and Birding in the Central and Northern Rockies
Thesis
Functional importance of plumage badges as intraspecific signals in White-crowned sparrows (<i>Zonotrichia leucophrys oriantha</i>).
Student Paper
Willow branch selection by the red-naped sapsucker (<i>Sphyrapicus nuchalis</i>): The effects of branch characteristics on foraging behavior in Gothic, CO
Student Paper
Does breeding bird density drive vocal individuality?
Thesis
Studies on the ecology of avian malaria in an alpine ecosystem
Student Paper
Comparative approaches to estimating repertoires and American Robin individuality
Student Paper
Influence of patch area on bird species diversity in coniferous forests
Student Paper
Attributes of mountain bluebird cavity nests
Student Paper
Nest site selection by a secondary cavity-nesting species, the mountain bluebird
Student Paper
The effect of willow proximity on species richness and abundance of birds nesting in aspen <i>Populus tremuloides</i> woodlands.
Student Paper
Tradeoffs between mounting an immune response and territorial singing behavior in mountain white-crowned sparrows
Student Paper
Aspen heart rot fungus (<i>Phellinus tremulae</i>) distribution in aspen forests in relation to open meadows: implications for red-naped sapsucker (<i>Sphyrapicus nuchalis</i>) nesting habitat
Student Paper
What determines the distribution of red-naped sapsuckers in the East River Valley?
Article
The effect of hemosporidian infections on white-crowned sparrow singing behavior
Article
Cliff Attributes and Bird Communities in Jefferson County, Colorado
Article
Flight Performance and Competitive Displacement of Hummingbirds across Elevational Gradients
Article
RELATIONSHIP BETWEEN ASPEN HEARTWOOD ROT AND THE LOCATION OF CAVITY EXCAVATION BY A PRIMARY CAVITY-NESTER, THE RED-NAPED SAPSUCKER
Thesis
Effects of anthropogenic disturbance on avian distribution, reproduction, and physiology.
Student Paper
the influence of red-naped sapsuckers on willow bird communities
Student Paper