Results 121 to 130 of about 246,696 (380)
How to exploit the potential of different compounds from chicken by-products [PDF]
Ciência Rural: Adding value to daily by-products is a challenge in the chicken meat industry, since most are used to produce flour and animal feed. These by-products are rich in proteins, prompting research on the potential of feathers, feet, fat, bones, liver ...
Priscila Nehring +7 more
doaj +2 more sources
A Mesozoic bird from Gondwana preserving feathers
Nature Communications, 2015 The fossil record of birds in the Mesozoic of Gondwana is mostly based on isolated and often poorly preserved specimens, none of which has preserved details on feather anatomy.
Ismar de Souza Carvalho +5 more
semanticscholar +1 more source
Description of a new genus and species of hummingbird from Panama [PDF]
, 1911 Since January, 1911, Mr. E. A. Goldman, of the Biological Survey, U.S.Department of Agriculture, has been detailed to the Smithsonian Biological Survey of the Panama Canal Zone to collect mammals and birds in the Canal Zone and adjacent parts of Panama...
Nelson, Edward W.
core
On feathers, bifurcations and shells: the dynamics of tidal streams across the mass scale
, 2015 I present an organic description of the regimes of collisionless tidal streams and define the orderings between the physical quantities that shape their morphology.
Amorisco, N. C.
core +1 more source
Ecography, EarlyView.Migration is challenging for birds, especially juveniles, who experience high mortality rates during migration. The challenge is exacerbated in the Anthropocene, contributing to widespread population declines. Conservation efforts focused on increasing juvenile survival could bolster population recovery.
Dylan M. Osterhaus +2 more
wiley +1 more source
Present Environment and Sustainable DevelopmentThe purpose of this research was to establish the baseline concentrations of thirteen trace elements (Cd, Co, Cr, Cu, Ni, Pb, Fe, Mg, Na, K, Sr, Ca, and Zn) in feathers of the common blackbird Turdus merula (n=9) at the Natura 2000 site “Marine Dunes ...
Diana IACOB +9 more
doaj +1 more source
Molecular composition and ultrastructure of Jurassic paravian feathers
Scientific Reports, 2015 Feathers are amongst the most complex epidermal structures known and they have a well-documented evolutionary trajectory across non-avian dinosaurs and basal birds.
J. Lindgren +15 more
semanticscholar +1 more source
Left Wanting and Left Unheard: A Dual Grievance Model of Populism Across Six European Countries
European Journal of Social Psychology, EarlyView.ABSTRACT This study tests a dual grievance model of populism by examining whether relative deprivation and external political inefficacy are linked to two core dimensions of populist beliefs (people sovereignty and anti‐elitism) via aversive political emotions (anger, sadness and fear) and institutional distrust across six European countries (N = 5487).
Anna Cortijos‐Bernabeu +2 more
wiley +1 more source
Hairs, feathers and fibres in Mesolithic contexts – recommendations for field archaeologists
Acta Academiae Artium VilnensisMicroarchaeological research has drawn attention to new microscopic categories of finds such as charcoal and ash, archaeobotanical remains, and non-pollen palynomorphs, including textile fibres.
Tuija Kirkinen, Kristiina Mannermaa
doaj +1 more source
Avocetta, 2016 Stable isotopes are nowadays commonly used in the study of many key features of avian ecology. However, the adequate choice of what isotopic ratio to consider and what tissues to sample for assessing specific questions may be tricky.
Michelangelo Morganti +3 more
doaj +1 more source