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Contribute to Piranga

Piranga is an online tool developed to help bird-banders refine their bird identification, ageing, and sexing skills. At the core of Piranga are sets of photos that illustrate key features, complemented by brief text descriptions. Our goal is to present high-quality images and curated species accounts representing every molt/sex class for Western Hemisphere bird species – but we need your help to achieve this!

If you have high quality photographs of birds that clearly show key features used to determine age and sex (in most cases, photos of body, wing, and tail that show details of plumage, molt patterns, and feather shape and condition), please upload them to Piranga after reviewing our “Instructions for Submission” page.

We also welcome your help with expanding the number of curated species accounts in Piranga. If there are any species you know well that are not yet available in Piranga, please e-mail us at info@natureinstruct.org if you would be willing to provide descriptive text. We will confirm whether any material already exists for the species account, and provide you with a template to develop text consistent in style with existing Piranga content.

Submit / Review Images

Instructions for Submission

Overview of Molt Cycle Ageing