UScholar Works
 
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CreatorTitleDescriptionSubjectDate
1 Davidson, Diane W.Size variability in the worker caste of a social insect (veromessor pergandei mayr) as a function of the competitive environmentWorker size polymorphism in colonies of Veromessor pergandei, a granivorous desert ant, is inversely related to the intensity of interspecific competition in the habitat for seven ant communities in the deserts of southern California and southern Arizona. Seed size preferences are positively corr...Ants; Arizona; California; Coexistence; Communities; Density specialization; Desert granivores; Foraging strategies; Resource partitioning; Size1978
2 Behle, William H.Birds of pine valley mountain region, Southwestern UtahIt has long been a practice among ornithologists to study the distribution, variation, and ecological relationships of birds in areas characterized by diverse physiographic features. Such studies are motivated usually by the desire to aid in finding solutions for the many problems concerning the dis...1943-08-10
3 Goller, FranzSuperfast vocal muscles control song production in songbirdsBirdsong is a widely used model for vocal learning and human speech, which exhibits high temporal and acoustic diversity. Rapid acoustic modulations are thought to arise from the vocal organ, the syrinx, by passive interactions between the two independent sound generators or intrinsic nonlinear dyna...Vocal muscles; Syringeal muscles; Sturnus vulgaris2008
4 Woodbury, Angus M.; Cottam, Clarence; Sugden, John W.Annotated check-list of the birds of UtahThe following check-list is a by-product o f studies made by the writers since 1926 in gathering material for a work on The Birds of Utah which is now completed. The list includes four hundred three kinds of birds (species and subspecies) which are admitted to the actual state list and thirty-three ...1949-03
5 Behle, William H.; Bushman, John B.; Greenhalgh, Clifton M.Birds of the Kanab area and adjacent high plateaus of Southern UtahThe gateway to central southern Utah is the town of Kanab, located in Kane County just a few miles north of the Utah-Arizona line. At an elevation of 4973 feet it nestles in an indenture in the Vermillion Cliffs where Kanab Canyon emerges. North of these Vermillion Cliffs, rising like two additional...1958-10-01
6 Behle, William H.The birds of the deep Creek Mountains of Central Western UtahIn furtherance of a long-time survey of the avifauna of Utah the Deep Creek Mountain region of the central western part of the state was chosen as an area for intensive study. It was expected that gradients would occur in the characters of geographically variable birds between populations from the i...1955-01-10
7 Behle, William H.The birds of Southeastern UtahSoutheastern Utah is a rugged and colorful portion of the state. As a part of the Colorado Plateau Physiographic Province it is characterized by an arid climate, multicolored but mostly red sandstones, shales and limestones, weathered sand deep box canyons, and high, isolated, lacolithic mountain ra...1960-10
8 Behle, William H.The birds of the Raft River Mountains, Northwestern UtahAs another facet in a long-term analysis of the birds of Utah, an avifaunal survey was made in the northwestern corner of the state. Here the principal physiographic feature is the Raft River Mountains. The main axis of this range runs in an east-west direction paralleling the Utah-Idaho border imme...1958-05-10
9 Sekercioglu, CaganThe effects of climate change on tropical birdsBirds are among the most widely studied organisms on earth and represent an important indicator group for learning about the effects of climate change - particularly in regard to the effects of climate change on tropical ecosystems. In this review, we assess the potential impacts of climate change o...2010-01-01
10 Woodbury, Angus M.Birds of the Navajo CountryThe Navajo country as covered in this paper lies in southeastern Utah and northeastern Arizona and is bounded on the north, west and south by the San Juan, Colorado, Little Colorado and Rio Puerco rivers and on the east by the Arizona-New Mexico state line. That part of the Navajo country lying in n...1945-03-01
11 Bradford, NettieProperty rights of animalsThe problem here treated includes the property rights and spatial relationships o f animals, with special reference to the land vertebrates. With little work done in the way of collecting and compiling materials pertaining to this field, the references and literature were widely scattered. Sources o...1946-11-30
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