Jump to content
Ornithology Exchange (brought to you by the Ornithological Council)

Why are there redheads? Birds might hold the clues


Recommended Posts

Biologists examined the survival rates and chestnut feather coloration of barn swallows and other species of birds, to unearth factors favoring the evolution of pheomelanin in spite of its costs. They found that under conditions of low stress, birds with larger amounts of pheomelanin survived better, suggesting the pigment may serve a beneficial role.O3RD1GRHQyY


Read the full article on ScienceDaily

Link to comment
Share on other sites


This topic is now archived and is closed to further replies.

  • Create New...