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Data from: Corticosterone: effects on feather quality and deposition into feathers
- 负责人:
- 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
across different feather types
- 负责人:
- 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: How feathered are birds? environment predicts both the mass and density of body feathers
- 负责人:
- 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
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
Data from: Pre-basic molt, feather quality and modulation of the adrenocortical response to stress in two populations of Rufous-collared sparrows
- 负责人:
- DOI:
- doi:10.5061/dryad.kh550nq
- 摘要:
- Molt is an energetically expensive process in which birds may allocate 25% or more of their body protein mass to the production of new feathers
Data from: The microstructure of white feathers predicts their visible and near-infrared reflectance properties
- 负责人:
- Stuart-Fox, Devi
- 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 bacterial load shapes the trade-off between preening and immunity in pigeons
- 负责人:
- DOI:
- doi:10.5061/dryad.mm36n
- 摘要:
- Background: Complex communities of bacteria inhabit the feathers of all birds. Under normal conditions, individuals maintain a healthy stat
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: Feather melanin and micro-structure variation in dark-eyed junco (Junco hyemalis) across an elevational gradient in the Selkirk Mountains
- 负责人:
- 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