Search Constraints
Search Results
-
2020
Journal article
Tempo and pattern of avian brain size evolution
Relative brain sizes in birds can rival those of primates, but large-scale patterns and drivers of avian brain evolution remain elusive. Here, we explore the evolution of the fundamental brain-body scaling relationship across the origin and evolution of birds. Using a comprehensive dataset sampling> 2,000 modern birds, fossil birds, and...Ksepka, Daniel T ; Balanoff, Amy M ; Smith, N Adam ; Bever, Gabriel S ; Bhullar, Bhart-Anjan S …
neurobiology, co-variation, encephalization, endocast, allometry, paleontology, and aves
-
2017
Journal article
Rensching cats and dogs: feeding ecology and fecundity trends explain variation in the allometry of sexual size dimorphism
The tendency for sexual size dimorphism (SSD) to increase with body mass in taxa where males are larger, and to decrease when females are larger, is known as Rensch's rule. In mammals, where the trend occurs, it is believed to be the result of a competitive advantage for larger males,...Johnson, P J ; Noonan, M J ; Kitchener, Andrew C ; Harrington, L A ; Newman, C …
dimorphism, Canidae, allometry, diet, resource dispersion, and Felidae
-
2016
Journal article
Sexual size dimorphism in musteloids: An anomalous allometric pattern is explained by feeding ecology
Rensch's rule states that sexual size dimorphism (SSD) increases with body size in taxa where males are larger, and decreases when females are larger. The dominant explanation for the trend is currently that competitive advantage for males is greater in larger individuals, whereas female size is constrained by the energetics...Noonan, M J ; Johnson, Paul J ; Kitchener, Andrew C ; Harrington, L A ; Newman, C …
sociality, Musteloidea, diet, Rensch, SSD, resource dispersion, and allometry