How the world’s fastest muscle created four unique bird species

Bearded manakin pre-flight When the male bearded manakin snaps its wings at lightning speed, it’s more than part of an elaborate, acrobatic mating ritual. The tiny muscle doing the heavy lifting is also the reason this exotic bird has evolved into four distinct species, according to new research published in the journal eLIFE by Wake Forest University biologist Matthew Fuxjager.

Categories: Research & Discovery


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