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Factors Affecting the Incidence of Angel Wing in White Roman Geese: Stocking Density and Genetic Selection
Angel Wing Stocking Density Genetics White Roman Geese
2016/7/27
The present study investigated stocking density and genetic lines, factors that may alter the severity and incidence of angel wing (AW), in White Roman geese. Geese (n = 384) from two genetically sele...
Tiny muscles help bats fine-tune flight, stiffen wing skin
Tiny muscles bats fine-tune flight stiffen wing skin
2014/6/19
Bats appear to use a network of hair-thin muscles in their wing skin to control the stiffness and shape of their wings as they fly, according to a new study. The finding provides new insight about the...
Researchers find unique fore wing folding among Sub-Saharan African Ensign wasps
Researchers find unique fore wing folding Sub-Saharan African Ensign wasps
2014/5/13
UNIVERSITY PARK, Pa. -- Researchers discovered several possibly threatened new species of ensign wasps from Sub-Saharan Africa -- the first known insects to exhibit transverse folding of the fore wing...
The asymmetry of the carpal joint and the evolution of wing folding in maniraptoran theropod dinosaurs
Laboratory of Evolutionary Systematics of Vertebrates Institute of Vertebrate Palaeontology
2014/3/26
In extant birds, the hand is permanently abducted towards the ulna, and the wrist joint can bend exten-
sively in this direction to fold the wing when not in use. Anatomically, this asymmetric mobili...