Results 151 to 160 of about 8,377 (286)
Courtship display behavior influences tail myology in Centrocercus minimus (Gunnison sage‐grouse)
Courtship displays among birds are widespread, particularly those which incorporate raised tail feathers for extended periods of time. The Gunnison sage‐grouse (Centrocercus minimus) is such a species. When we compared the tail muscles of the sage‐grouse to birds which do not engage in erected tail fan postures, both morphology proportional mass ...
Alexander D. Clark +3 more
wiley +1 more source
Evaluation of the morphological and physical characteristics of plumes from chicken feathers
This work presents a study on the properties of chicken plumes from the poultry industry, namely feathers. Studies conducted include length, diameter and weight of chicken feathers to 42 days old.
Souza, Jefferson Mendes de +6 more
core
Simple rhamphotheca are externally homogeneous but internally are composed of several corneous layers with varying hardness. Areas under more mechanical stress such as the rostral portion and the tomia are significantly harder than other areas. Abstract Corneous sheaths on the jaws of beaked tetrapods, or rhamphothecae, are classified as simple or ...
Khanh H. T. To +2 more
wiley +1 more source
Chicken Feathers as Sustainable Flame Retardant Adjuvants in Polymeric Composites
Flame retardant and sustainable reinforced polymeric composites are in demand for several applications in today’s world. This thesis focuses on developing a cost-efficient, mass manufacturable flame-retardant polypropylene composites while utilising ...
Mishra, Avishek
core
Juvenile scolopacid shorebirds possess well‐developed osteological correlates of tactile bill‐tip organs, indicating sensory systems for remote‐touch foraging are present from early life. Ontogenetic changes in bill‐tip morphology suggest ecological specialisation and interspecific variation develop later, after fledging in these highly precocial ...
Carla J. du Toit +2 more
wiley +1 more source
Characterisation of human hair follicle development
Schematic of hair follicle development in human skin. Hair follicle primordia of similar sizes, but different densities, are laid out across the skin. The distinction between terminal and vellus hair sites is not obvious at early stages of hair follicle development.
Zoe R. Sudderick +4 more
wiley +1 more source
Detection of endogenous lipids in chicken feathers distinct from preen gland constituents. [PDF]
Zeisler-Diehl V +5 more
europepmc +1 more source
Optimization of enzymatic hydrolysis conditions of chicken feathers
Poultry feathers, a by-product in poultry industry, and a significant keratin source, are not adequately utilised. The paper describes processing of chicken feathers by alkaline-enzymatic hydrolysis to obtain keratin hydrolysate.
Svoboda (FT), Petr +3 more
core
Banksia attenuata (Proteaceae) attracts nocturnal scarab beetles with an unusual floral scent—the beetles pollinate the flower as they feed on pollen and nectar and mate on the inflorescences. Abstract Pollination by beetles has evolved multiple times in flowering plants but with relatively few plant species adapted specifically to pollination by ...
S. K. Wawrzyczek +8 more
wiley +1 more source
ABSTRACT Aeolian deflationary events are erosive to static stages where sediment supply is insufficient to support bedform migration and preservation in the rock record. In the vicinity of shallow‐marine environments, inland rises of relative water table and associated generation of deflationary super surfaces may be driven by the onset of ...
Victor J. P. Hême de Lacotte +4 more
wiley +1 more source

