Jump to content
Ornithology Exchange

Why are there redheads? Birds might hold the clues


PhysOrg

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

Archived

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

×
×
  • Create New...