Richard F. Johnston
- House Sparrows: Rapid Evolution of Races in North America
1964/05/01 by Richard F. Johnston, Robert K. Selander · 7 citations
Environmental Science · #Avian ecology and behavior #Animal Ecology and Behavior Studies #Wildlife Ecology and Conservation #Sparrow #Passer #Conformity #Geographic variation #Geography #Zoology #Variation (astronomy) #Biology #Ecology #Demography #Population
- Evolution in the House Sparrow. I. Intrapopulation Variation in North America
1967/05/01 by Robert K. Selander, Richard F. Johnston · 3 citations
Environmental Science · Biochemistry, Genetics and Molecular Biology · #Avian ecology and behavior #Genetic diversity and population structure #Genetic and phenotypic traits in livestock #Sparrow #Variation (astronomy) #Natural history #Library science #Genealogy #History #Art history #Biology #Zoology #Ecology #Computer science #Physics
- Evolution of Nest-Building in the Weaverbirds. (Ploceidae)
1965/06/01 by Richard F. Johnston, Nicholas E. Collias, Elsie C. Collias · 5 citations
Environmental Science · #Avian ecology and behavior #Biology #Ecology #Evolutionary biology #Nest (protein structural motif) #Rangeland and Wildlife Management
- Evolution in the House Sparrow. III. Variation in Size and Sexual Dimorphism in Europe and North and South America
1973/05/01 by Richard F. Johnston, Robert K. Selander · 2 citations
Environmental Science · Immunology and Microbiology · Agricultural and Biological Sciences · #Avian ecology and behavior #Bird parasitology and diseases #Animal Behavior and Reproduction #Sexual dimorphism #Sparrow #Biology #Passer #Southern Hemisphere #Variation (astronomy) #Geographic variation #Dominance (genetics) #Latitude #Zoology #Ecology #Geography #Demography #Population
- Evolution in the House Sparrow. II. Adaptive Differentiation in North American Populations
1971/03/01 by Richard F. Johnston, Robert K. Selander · 1 citation
Environmental Science · #Avian ecology and behavior #Biology #Evolutionary biology #Sparrow #Zoology
- Aggressive foraging behavior in House Sparrows
1969/07/01 by Richard F. Johnston · 1 citation
Environmental Science · #Avian ecology and behavior #Foraging #Animal behavior #Zoology #Geography #Ecology #Fishery #Biology