WebFeb 2, 2011 · Neoptile body feathers from over 22 bird species were investigated using light microscopy, SEM, and MicroCT. Characters such as an anterior–posterior axis, a central rhachis, medullary cells, and structure of the calamus wall were defined and mapped onto recent phylogenetic hypotheses for extant birds. WebThe morphology of neoptile feathers is more diverse and even shows a clear phylogenetic signal, and it is necessary to expand the spectrum of “model organisms” to species with …
Fluffy feathers: how neoptile feathers contribute to camouflage in ...
WebJul 26, 2024 · Camouflage is a widespread strategy to increase survival. The plumage of precocial chicks often contains elements of disruptive colouration and background matching to enhance concealment. Chick plumage also features fringed feathers as appendages that may contribute to camouflage. Here, we examine whether and how neoptile feathers … WebThe down or light, fluffy feathers on a young bird. 2012, Barn Owl Trust, Barn Owl Conservation Handbook: A Comprehensive Guide for Ecologists, Surveyors, Land … fleet farm pecans
Introduction to the Morphology, Development, and Ecology of …
WebNeoptile body feathers from over 22 bird species were investigated using light microscopy, SEM, and MicroCT. Characters such as an anterior–posterior axis, a central rhachis, … WebJun 10, 2011 · Because feathers usually overlap within the plumage, morphological information can be hidden or obscured, making the entire plumage appear simple and filamentous (e.g. neoptile feathers from Tadorna tadorna, common shelduck; Fig. 2a, b). In a two-dimensional fossil, such effects may be even more pronounced, creating difficulties … WebJun 1, 2024 · Additionally, different developmental stages have been captured in this assemblage with some examples of erupting feathers or neoptile plumage. Comparisons with previous studies, including skeletal material described in amber, show that Enantiornithes and non avialan dinosaurs are most likely represented in the assemblage, … fleet farm pay credit card