ScienceDaily Posted January 28, 2013 Share Posted January 28, 2013 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. Read the full article on ScienceDaily Link to comment Share on other sites More sharing options...
PhysOrg Posted January 28, 2013 Author Share Posted January 28, 2013 Red coloration—historically seen as costly in vertebrates—historically seen as costly in vertebrates—might represent some physiological benefit after all, according to research published in the journal Physiological and Biochemical Zoology. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.