Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
285
datasets available to search
ShareScore release 0.9.0
Dataset results
285 results for “hummingbird”
Male-like ornamentation in female hummingbirds results from social harassment rather than sexual selection DATA_CODE
<p>Contains all relevant data and code for analyses and figures used in "Male-like ornamentation in female hummingbirds results from social harassment rather than sexual selection" by Jay J. Falk, Michael S. Webster, and Dustin R. Rubenstein. Current Biology, 2021. </p>
Data from: Convergent changes in gene expression associated with repeated transitions between hummingbird and bee pollinated flowers
<p>Transcriptomic data for 6 Gesneriaceae species (<strong><em>Nemathanthus albus </em>-NA-,<em> N. fritchii </em>-NF-<em>, Sinningia eumorpha </em>-SE-<em>, S. magnifica </em>-SM-<em>, Vanhouttea calcarata </em>-VC-<em>, Paliavana tenuiflora </em>-PV-</strong>), presented in "Convergent changes in gene expression associated with repeated transitions between hummingbird and bee pollinated flowers". For each species, transcriptomes were obtained from RNA collected from flowers at three different developmental stages.</p> <p>The following files are availables:</p> <p><strong>Trimmed_Species_Trinity.fasta:</strong> Transcriptome assembly of the species in fasta format. The transcriptomes were obtained from RNA-Seq (Illumina paired-end reads) of three different floral developmental stages. For more information, please refer to the publication.</p> <p><strong>ORF_AllSpecies_Pep.fasta</strong>: Predicted protein sequences for each transcript of each species.</p> <p><strong>ORF_AllSpecies_CDS.fasta</strong>: Predicted coding sequences (CDS) for each transcript of each species.</p> <p><strong>BLASTP_allgenes6species.FINAL.txt</strong>: Blastp annotation for each transcript of each species.</p> <p><strong>BLASTX_allgenes6species.FINAL.txt: </strong>Blastx annotation for each transcript of each species.</p> <p><strong>groups.txt </strong>: Orthologous groups (OG) between the six species obtained with OrthoMCL. For more information, please refer to the publication.</p> <p><strong>1to1_OG.txt</strong>: Obtained single-copy orthologs (1-to-1 orthologous groups) between the six species</p> <p><strong>OG_and_genes.txt : </strong>link between orthologous groups and genes ID for each species.</p> <p>For more information, please refer to the publication.</p>
Feather iridescence of Coeligena hummingbird species varies due to differently organized barbs and barbules
<p>Hummingbirds are perhaps the most exquisite bird species because of their prominent iridescence, created by stacks of melanosomes in the feather barbules. The feather colours crucially depend on the nanoscopic dimensions of the melanosome, and the displayed iridescence can distinctly vary, dependent on the spatial organization of the barbs and barbules. We have taken the genus Coeligena as a model group, with species having feathers that strongly vary in their spatial reflection properties. We studied the feather morphology and the optical characteristics. We found that the coloration of Coeligena hummingbirds depends on both the Venetian-blind-like arrangement of the barbules and the V-shaped, angular arrangement of the barbules at opposite sides of the barbs. Both the nanoscopic and microscopic organization of the hummingbird feather components determine the bird's macroscopical appearance.</p>
Heterospecific pollen deposition is positively associated with reproductive success in a diverse hummingbird-pollinated plant community
<p>Heterospecific pollen deposition (HPD) is ubiquitous across plant communities, especially for generalized species which use a diversity of pollinators, and may have negative effects on plant reproduction. However, it is unclear whether temporal changes in the co-flowering community result in changes in HPD patterns. Moreover, community-level studies are required to understand which factors influence HPD and how the reproduction of different species is affected. We investigated the temporal variation of HPD, its relationship with level of specialization on pollinators and floral phenotypic specialization, and its association with reproductive success (pollen limitation and fruit set) in 31 hummingbird-pollinated plant species in a tropical Campo Rupestre. We found seasonality in HPD, with species flowering in the dry season having greater diversity of heterospecific pollen on stigmas and a higher frequency of stigmas containing heterospecific pollen, compared to the rainy season. Stigmas of ecologically generalized species had more heterospecific pollen, while the relationship for ecologically specialized species depended on floral phenotype. Surprisingly, and in contrast to theory, we found a positive relationship between HPD and reproductive success. Our results indicate benefits of generalization and facilitation, in which sharing pollinators brings greater reproductive success via increased conspecific pollen deposition, even if it incurs more HPD. We demonstrated how assessing HPD at a community-level can contribute to understanding the ecological causes and functional consequences of pollinator sharing.</p>
The evolution of sexually dimorphic traits in ecological gradients: An interplay between natural and sexual selection in hummingbirds
<p><span>Traits that exhibit differences between the sexes have been of special interest in the study of phenotypic evolution. Classic hypotheses explain sexually dimorphic traits via intrasexual competition and mate selection, yet natural selection may also act differentially on the sexes to produce dimorphism. Natural selection can act either through physiological and ecological constraints on one of the sexes or by modulating the strength of sexual/social selection. This predicts an association between the degree of dimorphism and variation in ecological environments. Here, we characterise the variation in hummingbird dimorphism across ecological gradients using rich databases of morphology, colouration, and song. We show that morphological dimorphism decreases with elevation in the understorey and increases with elevation in mixed habitats, that dichromatism increases at high altitudes in open and mixed habitats, and that song is less complex in mixed habitats. Our results are consistent with flight constraints, lower predation pressure at high elevations, and with habitat effects on song transmission. We also show that dichromatism and song complexity are positively associated, while tail dimorphism and song complexity are negatively associated. Our results demonstrate that key ecological factors shape sexually dimorphic traits and that different communication modalities do not always evolve in tandem.</span></p>
Plant–hummingbird pollination networks exhibit limited rewiring after experimental removal of a locally abundant plant species
<p>In this study, we simulated the local extinction of a hummingbird-pollinated understory plant, <em>Heliconia</em> <em>tortuosa</em>, from tropical forest fragments using a replicated Before-After-Control-Impact (BACI) experimental design while quantifying plant-hummingbird interactions through two parallel techniques: pollen collected from individual hummingbirds ('pollen networks', created from >300 pollen samples) and observations of hummingbirds visiting focal plants ('camera networks', created from >19,000 observation hours). Each response variable was measured during each experimental period (pre and post) in sites with and without <em>H. tortuosa</em> removal (treatment and control).</p>
Anna's hummingbird microsite foraging preferences experiments
<p>Data attempts to address the question: Do Anna's hummingbirds (<em>Calypte anna</em>) preferentially forage in shady microsites during extreme heat events? Data includes 1) Behavioral observations of Anna's hummingbirds visiting artificial feeders with 30% sucrose solutions under a shaded canopy vs. a non-shaded identical structure during heat waves and 2) Observations of hummingbird behavior during heat waves in an urban landscape, and 3) Pollen deposition data from pollen left at artificial stigmas attached to feeders from feeder trials.</p>
Tropical plant–hummingbird interactions withstand short-term experimental removal of a common flowering plant
<p>In this study, we simulated the extirpation of a hummingbird-pollinated understory plant, <em>Heliconia tortuosa</em>, from tropical forest fragments using a replicated Before-After-Control-Impact (BACI) experimental design while quantifying hummingbird space use, foral visitation rates, and plant pollination success. Each response variable was measured during each experimental period (pre and post) in sites with and without <em>H. tortuosa </em>removal (treatment and control).</p>
Sideways maneuvers enable narrow aperture negotiation by free-flying hummingbirds
<p>Many birds routinely fly fast through dense vegetation characterized by variably sized structures and voids. Successfully negotiating these cluttered environments requires maneuvering through narrow constrictions between obstacles. We show that Anna's Hummingbirds (<em>Calypte anna</em>) can negotiate apertures less than one wingspan in diameter using a novel sideways maneuver that incorporates continuous, bilaterally asymmetric wing motions. Crucially, this maneuver allows hummingbirds to continue flapping as they negotiate the constriction. Even smaller openings are negotiated via a faster ballistic trajectory characterized by tucked and thus non-flapping wings, which reduces force production and increases descent rate relative to the asymmetric technique. Hummingbirds progressively shift to the swept method as they perform hundreds of consecutive transits, suggesting increased locomotor performance with task familiarity. Initial use of the slower asymmetric transit technique may allow birds to better assess upcoming obstacles and voids, thereby reducing the likelihood of subsequent collisions. Repeated disruptions of normal wing kinematics as birds negotiate tight apertures may determine the limits of flight performance in structurally complex environments. These strategies for aperture transit and associated flight trajectories can inform designs and algorithms for small aerial vehicles flying within cluttered environments. </p>
In-Office Study of the Hummingbird® in Children 6 Months-21 Years Old
ClinicalTrials.gov study NCT03544138. IPD Sharing: NO. Countries: 1. Publications: 1.
Partial NADH dehydrogenase subunit 2 (ND2) gene sequences for Trochilidae hummingbirds
Open the record for dataset details and reuse information.
Vocal recognition suggests premating isolation between lineages of a lekking hummingbird
Open the record for dataset details and reuse information.
Data from: Two ways to display: male hummingbirds show different color-display tactics based on sun orientation
Open the record for dataset details and reuse information.
Data from: A rapid-response soft end effector inspired by the hummingbird beak
Open the record for dataset details and reuse information.
Sideways maneuvers enable narrow aperture negotiation by free-flying hummingbirds
Open the record for dataset details and reuse information.
Data from: Floral isolation and pollination in two hummingbird-pollinated heliconias data
Open the record for dataset details and reuse information.
Data from: Adaptation to hummingbird pollination is associated with reduced diversification in Penstemon
Open the record for dataset details and reuse information.
Anna's hummingbird (Calypte anna) physiological response to novel thermal and hypoxic conditions at high elevations
Open the record for dataset details and reuse information.
Plant–hummingbird pollination networks exhibit limited rewiring after experimental removal of a locally abundant plant species
Open the record for dataset details and reuse information.
Data associated with: A phylogenetic perspective on ecological specialisation reveals hummingbird and insect pollinators have generalist diets
Open the record for dataset details and reuse information.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.