权威例句
Effect of sexual dimorphism in bill length on foraging behavior: an experimental analysis of hummingbirdsPhylogenetic Systematics and Biogeography of Hummingbirds: Bayesian and Maximum Likelihood Analyses of Partitioned Data and Selectio...Influence of Economics, Interspecific Competition, and Sexual Dimorphism on Territoriality of Migrant Rufous HummingbirdsPollen transfer by hummingbirds and bumblebees, and the divergence of pollination modes in PenstemonFuel selection in rufous hummingbirds: ecological implications of metabolic biochemistry.Ecological Interactions between Plants and Hummingbirds in a Successional Tropical CommunityAsynchronous changes in phenology of migrating Broad-tailed Hummingbirds and their early-season nectar resourcesENERGETICS OF HOVERING FLIGHT IN HUMMINGBIRDS AND IN DROSOPHILADigestive physiology is a determinant of foraging bout frequency in hummingbirds.Taste Preferences, Color Preferences, and Flower Choice in Hummingbirds