Data from: The influence of cactus spine surface structure on puncture performance and anchoring ability is tuned for ecology

负责人：

Crofts, Stephanie

关键词：

barbs cactus spines puncture Opuntioideae

DOI：

doi:10.5061/dryad.5878v18

摘要：

n non-barbed spines to withdraw from biological materials, due to their barbs engaging with tissue fibers. These results closely match those found pr

Data from: The microstructure of white feathers predicts their visible and near-infrared reflectance properties

负责人：

Stuart-Fox, Devi

关键词：

feather morphology infrared phylogenetic comparative reflectance

DOI：

doi:10.5061/dryad.8nc444t

摘要：

with rounder barbs and more closely spaced barbules, had high average reflectance, particularly within avian-visible wavelengths (300 - 700 nm). Feathers

Data from: Barb geometry of asymmetrical feathers reveals a transitional morphology in the evolution of avian flight

负责人：

关键词：

Athene cunicularia;Mesozoic;Junco hyemalis;Nymphicus hollandicus;Gallinula neiotis;Eopengornis martini;Todus mexicanus;asymmetrical flight feather;Petrochelidon pyrrhonota;Zenaida asiatica;Atlantisia rogersi;Calypte anna;Gavia immer;Chordeiles acutipennis;Podilymbus gigas;Callipepla californica;Pipra mentalis;Dendragapus canadensis;Archaeopteryx;Alectoris Chukar;Gallirallus sylvestris;Larus marinus;Oporornis tolmiei;Numenius americanus;Falco columbarius;Chaetura pelagica;Porzana atra;Gallirallus australis;Tachyeres leucocephalus;Protonotaria citrea;Pica nuttalli;Passerella iliaca;Zonotrichia albicollis;Columbina passerina;Spizella pusilla;Aphelocoma californica;Anser fabalis;Seiurus motacilla;Streptopelia decaocto;Sphyrapicus varius;Coragyps atratus;Elanus leucurus;Cathartes aura;Numida meleagris;Strigops habroptilus;Cyanocitta stelleri;Dendroica coronata;Vermivora celata;Pinguinus impennis;Megacrex inepta;Progne subis;Pipilo maculatus;Tachyeres pteneres;Tachycineta thalassina;Paraves;Daption capense;Gallirallus rovianae;Phalacrocorax harrisi;Crypturellus soui;Archaeopteryx lithographica;Coccyzus americanus;Fulica gigantea;Corvus brachyrhynchos;Tachyeres brachypterus;Tachycineta bicolor;Aramidopsis plateni;Podiceps taczanowskii;Jacana jacana;Sapeornis chaoyangensis;Micrathene whitneyi;Columba livia;Accipiter gentilis;Pelecanus erythrorhynchos;Anas discors;evolutionary transition;avian flight;Hirundo rustica;Casmerodius albus;Rallus limicola;Porzana sandwichensis;Xenicus lyalli;Confuciusornis sanctus;Accipiter striatus;Microraptor gui;Buteo jamaicensis;Thalassarche melanophrys;Surnia ulula;Tyrannus vociferans;Porzana palmeri;theoretical morphospace;Columbina inca;Tribonyx mortierii;Habroptila wallacii;Trogon violaceus

DOI：

doi:10.5061/dryad.7vb83

摘要：

The geometry of feather barbs (barb length and barb angle) determines feather vane asymmetry and vane rigidity, which are both critical to a feather

Data from: Segmentation of laterally symmetric overlapping objects: application to images of collective animal behavior

负责人：

关键词：

image processing;Biometrics;Computer Science;Puntius tetrazona;Dicentrarchus labrax;biophysics

DOI：

doi:10.5061/dryad.1j29991

摘要：

of overlapping objects, even without any rigid pattern. This novel method was verified on fish (European bass, Dicentrarchus labrax, and tiger barbs

Data from: Higher nest predation favors rapid fledging at the cost of plumage quality in nestling birds

负责人：

关键词：

Trade offs;bird;development

DOI：

doi:10.5061/dryad.p6m33p3

摘要：

quality plumage with less dense barbs relative to adults across 123 temperate and tropical species. Using a subset of these species (n=67), we found tha