9 Works

Data from: Neotropical wrens learn new duet rules as adults

Karla D. Rivera Cáceres, Esmeralda Quirós-Guerrero, Marcelo Araya-Salas & William A. Searcy
Although song development in songbirds has been much studied as an analogue of language development in humans, the development of vocal interaction rules has been relatively neglected in both groups. Duetting avian species provide an ideal model to address the acquisition of interaction rules as duet structure involves time and pattern-specific relationships among the vocalizations from different individuals. In this study, we address the development of the most striking properties of duets: the specific answering...

Data from: Mutations in different pigmentation genes are associated with parallel melanism in island flycatchers

J. Albert C. Uy, Elizabeth A. Cooper, Stephen Cutie, Moira R. Concannon, Jelmer W. Poelstra, Robert G. Moyle & Christopher E. Filardi
The independent evolution of similar traits across multiple taxa provides some of the most compelling evidence of natural selection. Little is known, however, about the genetic basis of these convergent or parallel traits: are they mediated by identical or different mutations in the same genes, or unique mutations in different genes? Using a combination of candidate gene and reduced representation genomic sequencing approaches, we explore the genetic basis of and the evolutionary processes that mediate...

Data from: Demographic history inferred from genome-wide data reveals two lineages of sheldgeese endemic to a glacial refugium in the southern Atlantic

Cecilia Kopuchian, Leonardo Campagna, Adrián S. Di Giacomo, Robert E. Wilson, Mariana Bulgarella, Pablo Petracci, Juan Mazar Barnett, Ricardo Matus, Olivia Blank & Kevin G. McCracken
Aim: The Malvinas/Falkland Islands (MFI) constitute the largest archipelago in the southern Atlantic, and harbour endemic lineages that presumably evolved after sea-level rise, associated with glacial periods, isolated ancestral populations. We investigate the role of the MFI in isolating populations from continental counterparts of two highly vagile species: the sheldgeese Chloephaga picta and Chloephaga rubidiceps. Location: Patagonia and the Malvinas/Falkland Islands. Methods: We sampled C. picta and C. rubidiceps on the continent and MFI. Using...

Data from: Mycorrhizas influence functional traits of two tallgrass prairie species

Joanna Weremijewicz & Kotaro Seto
Over the past decade, functional traits that influence plant performance and thus, population, community, and ecosystem biology have garnered increasing attention. Generally lacking, however, has been consideration of how ubiquitous arbuscular mycorrhizas influence plant allometric and stoichiometric functional traits. We assessed how plant dependence on and responsiveness to mycorrhizas influence plant functional traits of a warm-season, C4 grass, Andropogon gerardii Vitman, and the contrasting, cool-season, C3 grass, Elymus canadensis L. We grew both host species...

Data from: Multiple mutualist effects on genomewide expression in the tripartite association between Medicago truncatula, nitrogen-fixing bacteria and mycorrhizal fungi

Michelle E. Afkhami & John R. Stinchcombe
While all species interact with multiple mutualists, the fitness consequences and molecular mechanisms underlying these interactions remain largely unknown. We combined factorial ecological experiments with genomewide expression analyses to examine the phenotypic and transcriptomic responses of model legume Medicago truncatula to rhizobia and mycorrhizal fungi. We found synergistic effects of these mutualists on plant performance and examined unique features of plant gene expression responses to multiple mutualists. There were genomewide signatures of mutualists and multiple...

Data from: Physiological regulation and efficient xylem water transport regulate diurnal water and carbon balances of tropical lianas

Ya-Jun Chen, Stefan A. Schnitzer, Yong-Jiang Zhang, Ze-Xin Fan, Guillermo Goldstein, Kyle W. Tomlinson, Hua Lin, Jiao-Lin Zhang & Kun-Fang Cao
Tropical lianas deploy most of their leaves towards the top of the forest canopy, whereas trees exhibit a more stratified crown. Forest canopies are often exposed to hot and windy conditions, and how lianas cope with the extremely high transpirational demands under these environments remains unknown. We investigated stem hydraulic properties, leaf drought tolerance, diurnal changes in leaf and stem water potentials (Ψleaf and Ψstem), stomatal conductance (gs), photosynthetic rate, sap flow and stem native...

Data from: Song learning and cognitive ability are not consistently related in a songbird

Rindy C. Anderson, William A. Searcy, Susan Peters, Melissa Hughes, Adrienne L. DuBois & Stephen Nowicki
Learned aspects of song have been hypothesized to signal cognitive ability in songbirds. We tested this hypothesis in hand-reared song sparrows (Melospiza melodia) that were tutored with playback of adult songs during the critical period for song learning. The songs developed by the 19 male subjects were compared to the model songs to produce two measures of song learning: the proportion of notes copied from models and the average spectrogram cross-correlation between copied notes and...

Data from: Intraspecific variation in body size does not alter the effects of mesopredators on prey

Austin J. Gallagher, Simon J. Brandl & Adrian C. Stier
As humans continue to alter the species composition and size structure of marine food webs, it is critical to understand size-dependent effects of predators on prey. Yet, how shifts in predator body size mediate the effect of predators is understudied in tropical marine ecosystems, where anthropogenic harvest has indirectly increased the density and size of small-bodied predators. Here, we combine field surveys and a laboratory feeding experiment in coral reef fish communities to show that...

Data from: Active background choice facilitates crypsis in a tropical crab

Floria M.K. Uy, Suvetha Ravichandran, Krisha S. Patel, Jeffrey Aresty, Patricia P. Aresty, Raymond M. Audett, Kelvin Chen, Lauren Epple, Sterling F. Jeffries, Gilbert N. Serein, Phallon Tullis-Joyce, J. Albert C. Uy & Floria M. K. Uy
Animals can evade predators in multiple ways, one of the most effective of which is to avoid detection in the first place. We know much about the evolution of color patterns that match the visual background to avoid detection (i.e., crypsis), yet we know surprisingly less about the specific behaviors that have co-evolved with these morphological traits to enhance or maintain crypsis. We here explore whether the match between body color and background in a...

Registration Year

  • 2016
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Affiliations

  • University of Miami
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  • University of Kansas
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