Feather-Munching Bacteria Damage Wild Bird Plumage

A new study in The Auk: Ornithological Advances links feather-degrading bacteria to damaged plumage on wild birds for the first time, offering new insights into how birds’ ecology and behavior might affect their exposure to these little-studied microbes.

Scientists know surprisingly little about the diverse community of microbes that lives on bird feathers. A few of these species of bacteria can actually break down keratin, the material feathers are made of, but few studies have looked at how feather-degrading bacteria actually affect birds in the wild. Combining data from a decade’s worth of bird-banding studies, Cody Kent and Edward H. Burtt of Ohio Wesleyan University found that tail-feather wear was strongly correlated with the presence of feather-degrading bacteria — the first time this relationship has been demonstrated in live, wild birds.

Read More…

Comments are closed.