477 results — topic: Hydrology & Watersheds ·
Article
Reduction of pore area of the avian eggshell as an adaptation to altitude
Article
Food supply and nest timing of broad-tailed hummingbirds in the Rocky Mountains
Article
Aspects of circulatory physiology of montane and lowland birds
Article
Possible impairment of nest-building of hummingbirds by acetate leg tags
Article
Daylength and the hummingbird's use of time
Article
Nectar resource use by <i>Colias</i> butterflies: chemical and visual aspects
Article
Strategies of nesting in a high-altitude temperate hummingbird
Article
The Timing of maternal behavior of the broad-tailed hummingbird preceding nest failure
Article
An estimate of the heat balance of a nesting hummingbird in a chilling climate
Article
Hypothermia of broadtailed hummingbirds during incubation in nature with ecological correlations
Article
Microhabitat selection during nesting of hummingbirds in the Rocky Mountains
Article
Piracy of nesting materials from and by the broadtailed hummingbird
Article
Juvenile boreal owl in Gunnison County, Colorado
Article
Use of dipper nest by mountain bluebirds
Article
Additional evidence of Rivoli's Hummingbird in Colorado
Article
Evidence of introgressive hybridization and mutation in certain Colorado populations of <i>Aquilegia</i>
Article
Territorial behavior in fall migrant rufous hummingbirds
Student Paper
Rufous hummingbirds: feeding requirements & general management
Student Paper