According to a new study, the precise patterning of bird feathers relies on signaling through ectodysplasin (EDA) and its receptor EDAR -- the same signaling pathway known to be crucial for the ...

Richard Banati does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

In sharp-tailed grouse (Pedioecetes phasianellus) and prairie chickens (Tympanuchus cupido) the pattern of crown feathers varies according to sex. Crown feathers of males are dark with a buff-colored ...

On the open savannas of East Africa, a flock of vulturine guinea fowl looks almost unreal. Bodies are patterned with crisp black and white lines. Chests and backs glow a deep, cobalt blue. Against the ...

In a new study, a team led by University of Utah biologists has discovered that different versions of a single gene, called NDP (Norrie Disease Protein), have unexpected links between color patterns ...