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W. A. Calder

Works: 45 total (45 publications, 0 datasets, 0 documents)

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Works (45)

All (45)Publications (45)
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Chapter

Avian Incubation: Behavior, Environment, and Evolution

2002
Chapter

Gatherings of Angels: Migrating Birds and Their Ecology

1999
Article

Size and abundance: breeding population density of the Calliope Hummingbird

1995AukDOI: 10.2307/4088746Cited 6 times
Article

When do hummingbirds use torpor in nature?

1994Physiological ZoologyDOI: 10.1086/physzool.67.5.30163881Cited 32 times
Chapter

The Birds of North America

1994
Chapter

The Birds of North America

1994
Article

Hummingbird of the mountains

1993Wildbird
Article

Migration of rufous hummingbirds

1993Wildbird
Chapter

The Birds of North America, No. 53

1993
Article

Ten years on an aspen branch

1992Natural History
Article

A profile of persistence: territorial hummingbirds

1991National Geographic Research and Exploration
Article

The effect of floral abundance on feeder censuses of hummingbird populations

1991CondorDOI: 10.2307/1368943Cited 39 times
Article

The hummingbird's restraint: a natural model for weight control

1990ExperientiaDOI: 10.1007/bf01940653Cited 54 times
Chapter

Genetic Effects on Aging, II

1990
Article

The broad-tailed Humming bird; a long-term study at Rmbl

1989Cooper Ornithological society
Article

Implications of recapture data for migration of the rufous hummingbird (Selasphorus rufus) in the Rocky Mountains

1989Auk
Article

Southbound through Colorado: migration of rufous hummingbirds

1987National Geographic Research
Article

The osmoregulatory consequences of nectarivory and frugivory in hummingbirds and other species.

1986Proceedings of the XIX International Ornithology Congresss., Ottawa, Canada
Article

The comparative biology of longevity and lifetime energetics

1985Experimental GerontologyDOI: 10.1016/0531-5565(85)90033-6Cited 39 times
Article

Migration and population dynamics of hummingbirds

1984National Geographic Society Research Reports
Book

Size, Function and Life History

1984
Article

An allometric approach to population cycles of mammals

1983Journal of Theoretical BiologyDOI: 10.1016/0022-5193(83)90351-xCited 50 times
Article

Ecological scaling: mammals and birds

1983Annual Review of Ecology and SystematicsDOI: 10.1146/annurev.es.14.110183.001241Cited 105 times
Article

Nectar feeding, diuresis, and electrolyte replacement of hummingbirds

1983Physiological ZoologyDOI: 10.1086/physzool.56.3.30152597Cited 54 times
Article

Site-fidelity, longevity, and population dynamics of broadtailed hummingbirds: a ten-year study

1983Oecologia
Article

Sodium, potassium and chloride in floral nectars: energy-free contributions to refractive index and salt-balance

1983Ecology
Article

Birds of the Rocky Mountain Biological Laboratory and Vicinity

1982
Article

Some energetic aspects of behavior in a montane hummingbird nesting habitat

1982National Geographic Society Research Reports
Article

Heat exchange of nesting hummingbirds in the Rocky Mountains

1981National Geographic Society Research Reports
Article

Body Size,Physiological Time, and Longevity of Homeothermic Animals

1981Quarterly Review of Biology
Article

On the temperature-dependency of optimal nectar concentrations for birds

1979Journal of Theoretical BiologyDOI: 10.1016/0022-5193(79)90263-7Cited 55 times
Article

Energy crisis of the hummingbird

1976Natural History
Article

Energetics of small body size and high latitude: the rufous humming bird in Coastal Alaska

1976International Journal of Biometearology
Article

Daylength and the hummingbird's use of time

1975AukDOI: 10.2307/4084419Cited 18 times
Article

Possible impairment of nest-building of hummingbirds by acetate leg tags

1975CondorDOI: 10.2307/1366251Cited 5 times
Chapter

Perspectives in Biophysical Ecology

1975
Chapter

Avian Energetics

1974
Article

An estimate of the heat balance of a nesting hummingbird in a chilling climate

1973Comparative Biochemistry and PhysiologyDOI: 10.1016/0300-9629(73)90419-2Cited 31 times
Article

Microhabitat selection during nesting of hummingbirds in the Rocky Mountains

1973EcologyDOI: 10.2307/1934381Cited 115 times
Article

The Timing of maternal behavior of the broad-tailed hummingbird preceding nest failure

1973Wilson Bulletin
Article

Hypothermia of broadtailed hummingbirds during incubation in nature with ecological correlations

1973ScienceDOI: 10.1126/science.180.4087.751Cited 100 times
Article

Bird fauna of the vicinity of the Rocky Mountain Biological Laboratory

1973Colorado Field Ornithologist
Article

Piracy of nesting materials from and by the broadtailed hummingbird

1972CondorDOI: 10.2307/1365912Cited 1 times
Article

Juvenile boreal owl in Gunnison County, Colorado

1972Colorado Field Ornithologist
Article

Use of dipper nest by mountain bluebirds

1970Condor