Results 141 to 150 of about 3,091 (181)

Hidden white and black feather layers enhance plumage coloration in tanagers and other songbirds. [PDF]

Sci Adv
Price-Waldman RM, Ali JR, Shultz AJ, Hogan BG, Stoddard MC.   +4 more
europepmc   +1 more source

Beyond productivity: Investigating keel bone fractures and welfare issues in the British dual-purpose breed Ixworth. [PDF]

Poult Sci
Becker S, Büscher W, Tiemann I.
europepmc   +1 more source

Preference and behavioral responses to synbiotic supplementation via drinking water in laying hens under social stress. [PDF]

Poult Sci
Naim A, van Staaveren N, Leishman EM, Nicklas AL, Tulpan D, Forsythe P, Harlander A.   +6 more
europepmc   +1 more source

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Thermal effects of plumage coloration

Ibis, 2022
Plumage coloration can have substantial effects on a bird's energy budget. This is because different colours reflect and absorb light differently, affecting the heat loads acquired from solar radiation. We examine the thermal effects of feather coloration on solar heat gain and flight performance and discuss the potential role of plumage colour on a ...
Svana Rogalla, Matthew D. Shawkey, Liliana D'Alba   +2 more
openaire   +1 more source

New insights into genetics underlying of plumage color

Animal Genetics, 2021
SummaryPlumage color can be considered as a social signal in chickens and a breeding identification tool among breeders. The relationship between plumage color and trait groups of immunity, growth and fertility is still a controversial issue. This research aimed to determine the genome‐wide additive and epistatic variants affecting plumage color ...
P. Davoodi, A. Ehsani, R. Vaez Torshizi, A. A. Masoudi   +3 more
openaire   +2 more sources

Avian plumage colors

Naturwissenschaften, 1992
Zoologi, fjer ...
Dyck, Jan, Finger, E., Burkhardt, D.
openaire   +1 more source

Pterosaurs were clad in colorful plumage

Science, 2022
Study suggests feathers arose—and were used for display—well before reign of ...
openaire   +1 more source

Mechanism of carotenoid coloration in the brightly colored plumages of broadbills (Eurylaimidae)

Journal of Comparative Physiology B, 2014
The plumage carotenoids of six species from five genera of broadbills (Eurylaimidae) have been examined. These plumages are crimson, violet, purple-maroon, or yellow. Two genera also have brilliant green plumages that are produced by a combination of structural coloration and unknown carotenoids.
Richard O, Prum, Amy M, LaFountain, Christopher J, Berg, Michael J, Tauber, Harry A, Frank   +4 more
openaire   +2 more sources

Pheomelanin-Based Plumage Coloration Predicts Survival Rates in Birds

Physiological and Biochemical Zoology, 2013
Higher vertebrates synthesize two forms of melanin: eumelanin and pheomelanin. While the adaptive functions of eumelanin are diverse, those of pheomelanin, which is phototoxic and whose production consumes a key intracellular antioxidant (glutathione), are not clear apart from being involved in color patterns that confer concealment.
Ismael, Galván, Anders P, Møller
openaire   +2 more sources

Plumage Coloration Predicts Haemosporidian Infection Occurrence in Birds

Ardea, 2020
Carotenoids are exogenously sourced pigments that determine plumage coloration in many species of birds. Aside from plumage coloration, carotenoids play a role in mounting an immune response and neutralizing the by-products of cytotoxic activity. We determined whether colorimetric descriptors of carotenoid-based plumage predict infection occurrence of ...
Victor A.S. Penha, Regiane Rodrigues, Agustín Ignacio Quaglia, Patrícia Giovana Hoepers, Kleber Del-Claro, Letícia Soares   +5 more
openaire   +1 more source