Tufted Titmouse with beak deformity in Ohio
By Alaska Science Center
June 2020 (approx.)
Detailed Description
Tufted Titmouse with beak deformity characteristic of avian keratin disorder (AKD) shared by a citizen science observer in Mason, Ohio, USA. 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 Marylee Vennemeyer
Sources/Usage
Copyright Permission Agreement signed by Jim Vennemeyer. The U.S. Geological Survey has been granted permission to use copyright material in information products including publications, data releases, and webpages.
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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...