Red-breasted Nuthatch with beak deformity in Canada
By Alaska Science Center
September 2019 (approx.)
Detailed Description
Red-breasted Nuthatch with beak deformity characteristic of avian keratin disorder (AKD) shared by a citizen science observer in Edmonton, Alberta, Canada. Avian keratin disorder is a disease characterized by debilitating beak overgrowth and other abnormalities of keratinized tissues. Affected birds have difficulty feeding and preening and may suffer high rates of mortality.
Copyright: Photo taken by Bob Bowhay
Sources/Usage
Copyright Permission Agreement signed by Bob Bowhay. The U.S. Geological Survey has been granted permission to use copyright material in information products including publications, data releases, and webpages.
Related
Beak Deformities in Landbirds
Over the past 26 years, Alaskans have witnessed a startling increase of beak deformities among Black-capped Chickadees and other species of resident birds. This disease, called avian keratin disorder (AKD), is characterized by debilitating beak overgrowth and other abnormalities of keratinized tissues. Affected birds have difficulty feeding and preening and may suffer high rates of mortality. If...
Related
Beak Deformities in Landbirds
Over the past 26 years, Alaskans have witnessed a startling increase of beak deformities among Black-capped Chickadees and other species of resident birds. This disease, called avian keratin disorder (AKD), is characterized by debilitating beak overgrowth and other abnormalities of keratinized tissues. Affected birds have difficulty feeding and preening and may suffer high rates of mortality. If...