dataService

您的位置: 首页 > 数据服务 > 数据列表页

筛选

共检索到163条 ,权限内显示50条;

Data from: How feathered are birds? environment predicts both the mass and density of body feathers
负责人:
关键词:
comparative analysis;feather density;feather mass;thermo-insulation;Birds;waterproofing
DOI:
doi:10.5061/dryad.40r6p
摘要:
mal condition affect feather mass and density of body feathers (contour, semiplume and downy feathers) measured on the ventral and dorsal sides of the body, usi
across different feather types
负责人:
关键词:
LC-MS\/MS;Cerorhinca monocerata;steroid concentrations in feathers;rhinoceros auklet
DOI:
doi:10.5061/dryad.83533nh
摘要:
1. Measuring corticosterone in feathers has become an informative tool in avian ecology, enabling researchers to investigate carry-over effects and r
Data from: Corticosterone: effects on feather quality and deposition into feathers
负责人:
关键词:
feather;melanin;feather growth rate;Columba livia domestica;fault bar;corticosterone incorporation;corticosterone
DOI:
doi:10.5061/dryad.7tm53
摘要:
o feathers was only roughly proportional to plasma concentration, proportional to feather-growth rate and increased with melanin pigmentation. 6. Mea
Data from: House sparrows offset the physiological trade-off between immune response and feather growth by adjusting foraging behavior
负责人:
关键词:
DOI:
doi:10.5061/dryad.4d2r7
摘要:
Growing feathers and mounting immune responses are both energetically costly for birds. According to the life history trade-off hypothesis, it ha
Data from: Bacteria and the evolution of honest signals. The case of ornamental throat feathers in spotless starlings
负责人:
关键词:
Bacterial load Feather-degrading bacteria Ornaments Sexual selection Sturnus unicolor Uropygial gland
DOI:
doi:10.5061/dryad.p69n4
摘要:
status of male and female throat feathers did not differ, but was positively associated with feather bacterial density. Finally, the size
Snake priests chanting songs and swinging eagle feathers during a Snake Dance Ceremony at Oraibi, Arizona, ca.1896
负责人:
关键词:
Hopi Snake Dance Ceremony tribal areas Indians -- Hopi -- Snake Dance Indians of North America Hopi Indians Rites and ceremonies Men
DOI:
doi:10.25549/chs-m17049
摘要:
Photograph of snake priests chanting songs and swinging eagle feathers during a Snake Dance Ceremony at Oraibi, Arizona, ca.1896. Eight priests
Data from: Interspecific variation in the structural properties of flight feathers in birds indicates adaptation to flight requirements and habitat
负责人:
关键词:
flight;barbule density;Functional morphology;water repellence;barb density;vane porosity;flight feathers;wing morphology;rachis width;Aves;Holocene;moult
DOI:
doi:10.5061/dryad.1538t
摘要:
1. The functional significance of intra- and interspecific structural variations in the flight feathers of birds is poorly understood. Her
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:
contour feathers of 50 bird species, and examined how well they are predicted by feather macro- and micro-structural morphology. Both visible and NIR
Data from: Feather melanin and micro-structure variation in dark-eyed junco (Junco hyemalis) across an elevational gradient in the Selkirk Mountains
负责人:
关键词:
pheomelanin;Junco hyemalis;alpine;songbird
DOI:
doi:10.5061/dryad.ks53j
摘要:
Variation in feather melanism and microstructure can arise through sexual selection and ecological functional drivers. Melanin-based plumage traits
Data from: Contributions of feather microstructure to eider down insulation properties
负责人:
关键词:
Somateria mollissima;nest materials;down feathers;insulation properties
DOI:
doi:10.5061/dryad.pg1p2
摘要:
in high latitudes where rapid heat loss can necessitate a high energetic input from parents and use down feathers to line their nests. Common eider

首页上一页12345下一页尾页

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充