Marcondes, Rafael S Nations, Jonathan A Seeholzer, Glenn F Brumfield, Robb T
Published in
The American naturalist
AbstractEcogeographic rules provide a framework within which to test evolutionary hypotheses of adaptation. Gloger's rule predicts that endothermic animals should have darker colors in warm/rainy climates. This rule also predicts that animals should be more rufous in warm/dry climates, the so-called complex Gloger's rule. Empirical studies frequent...
Leimar, Olof
Published in
The American naturalist
AbstractGroups of social animals are often organized into dominance hierarchies that are formed through pairwise interactions. There is much experimental data on hierarchies, examining such things as winner, loser, and bystander effects, as well as the linearity and replicability of hierarchies, but there is a lack evolutionary analyses of these ba...
Eriksson, Martin Rafajlović, Marina
Published in
The American naturalist
AbstractPrevious theoretical work on range expansions over heterogeneous environments showed that there is a critical environmental gradient where range expansion stops. For populations with freely recombining loci underlying the trait under selection (hereafter, "adaptive loci"), the critical gradient in one-dimensional habitats depends on the fit...
Friis, Jakob Isager Sabino, Joana Santos, Pedro Dabelsteen, Torben Cardoso, Gonçalo C
Published in
The American naturalist
AbstractTheory predicts that allometric constraints on sound production should be stronger for the lower frequencies of vocalizations than for the higher frequencies, which could originate from an allometry for sound frequency bandwidth. Using song recordings of approximately 1,000 passerine species (from >75% passerine genera), we show a significa...
Zardi, Gerardo I Nicastro, Katy R McQuaid, Christopher D de Jager, Monique van de Koppel, Johan Seuront, Laurent
Published in
The American naturalist
AbstractSelf-organized, regular spatial patterns emerging from local interactions among individuals enhance the ability of ecosystems to respond to environmental disturbances. Mussels self-organize to form large, regularly patterned biogenic structures that modify the biotic and abiotic environment and provide numerous ecosystem functions and servi...
Eliason, Chad M McCullough, Jenna M Andersen, Michael J Hackett, Shannon J
Published in
The American naturalist
AbstractNiche expansion is a critical step in the speciation process. Large brains linked to improved cognitive ability may enable species to expand their niches and forage in new ways, thereby promoting speciation. Despite considerable work on ecological divergence in brain size and its importance in speciation, relatively little is known about ho...
Martyn, Trace E Stouffer, Daniel B Godoy, Oscar Bartomeus, Ignasi Pastore, Abigail I Mayfield, Margaret M
Published in
The American naturalist
AbstractDirect species interactions are commonly included in individual fitness models used for coexistence and local diversity modeling. Though widely considered important for such models, direct interactions alone are often insufficient for accurately predicting fitness, coexistence, or diversity outcomes. Incorporating higher-order interactions ...
Snyder, Robin E Ellner, Stephen P Hooker, Giles
Published in
The American naturalist
AbstractOver the course of individual lifetimes, luck usually explains a large fraction of the between-individual variation in life span or lifetime reproductive output (LRO) within a population, while variation in individual traits or "quality" explains much less. To understand how, where in the life cycle, and through which demographic processes ...
Patten, Manus M
Published in
The American naturalist
AbstractA typical monkey of the subfamily Callitrichinae has two or more cell lineages occupying its tissues: one from "itself," and one from its co-twin(s). Chimerism originates in utero when the twin placentae fuse, vascular anastomoses form between them, and cells are exchanged between conceptuses through their shared circulation. Previously it ...
Kulbaba, Mason W Shaw, Ruth G
Published in
The American naturalist
AbstractAn individual's lifetime fitness and patterns of mating between individuals are interdependent features of sexual organisms. Mating systems (outcrossing vs. selfing or mating between close relatives) can affect the distribution of offspring fitness, which generally declines with inbreeding, which in turn is related to a population's genetic...
