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Data from: Do picture-based charts overestimate visual acuity? Comparison of Kay Pictures, Lea Symbols, HOTV and Keeler logMAR charts with Sloan Letters in adults and children
- 负责人：
- DOI：
- doi:10.5061/dryad.rn38r
- 摘要：
- -0.38 ± 0.13 logMAR (apple) to -0.57 ± 0.10 logMAR (duck), than the reference Landolt C task (mean VA -0.19 ± 0.08 logMAR). Conclusion: Kay Pictures
Data from: The ‘duck-billed’ dinosaurs of Careless Creek (Upper Cretaceous of Montana, USA), with comments on hadrosaurid ontogeny
- 负责人：
- DOI：
- doi:10.5061/dryad.4km97
- 摘要：
- The Careless Creek Quarry (CCQ) is a multitaxic bonebed in the Campanian Judith River Formation of south-central Montana (USA) that produc
Data from: Worth the reward? An experimental assessment of risk-taking behavior along a life history gradient
- 负责人：
- Behney, Adam
- DOI：
- doi:10.5061/dryad.4nq6s8j
- 摘要：
- this tradeoff. We manipulated food abundance in wetlands to assess whether life history theory could explain risk taking among females of five duck species
Data from: Differential responses to related hosts by nesting and non-nesting parasites in a brood-parasitic duck
- 负责人：
- DOI：
- doi:10.5061/dryad.8cn82
- 摘要：
- offspring to known parasites with and without their own nests in a population of Barrow’s goldeneyes (Bucephala islandica). We determined whether parasite
Transects for pellet counts in tundra ecosystems around Cambridge Bay, Victoria Island
- 负责人：
- Canadian Polar Data Network (CPDN)
- 关键词：
- Arctic Biomass Cambridge Bay Ecosystem Herbivory Tundra Vegetation Victoria Island Polar Knowledge Canada\/Canadian High Arctic Research Station
- DOI：
- doi:10.21963/12533
- 摘要：
- level (caribou, muskox, ptarmigan), or to broader categories (goose/duck) were counted and recorded every metre (that is, on 1 x 1 m plots) al
Data from: Feeding ecology is the primary driver of beak shape diversification in waterfowl
- 负责人：
- DOI：
- doi:10.5061/dryad.42s0c
- 摘要：
- , significantly convergent transitions from a duck-like beak toward a more goose-like beak. The evolution of a more goose-like beak is associated with
GBIF Occurrence Download
- 负责人：
- DOI：
- doi:10.15468/dl.3ox1dp
- 摘要：
- SEAMAP - marine mammals, birds and turtles. 37 records from Inventory of Antarctic seabird breeding sites. 160 records from Duck sightings per month
Data from: Modeling spatiotemporal abundance of mobile wildlife in highly variable environments using boosted GAMLSS hurdle models
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.1vm20t6
- 摘要：
- a suite of potential covariates while avoiding overfitting. 3. We apply our modeling approach to surveys of sea duck abundance and distribution
Data from: Interactions between seed traits and digestive processes determine the germinability of bird-dispersed seeds
- 负责人：
- DOI：
- doi:10.5061/dryad.bs5hn51
- 摘要：
- following waterbird-mediated dispersal. We exposed seeds of 30 wetland plant species to the main digestive processes in the dabbling duck digestive system: mechanical
Data from: Systematics and taxonomy of the Snubnose Darter, Etheostoma simoterum (Cope)
- 负责人：
- DOI：
- doi:10.5061/dryad.3pt7b
- 摘要：
- populations historically considered Etheostoma simoterum in the Tennessee River system from near the mouth of the Duck River upstream to the Clinch River
