Unable to remove a photo from the collection

If you received this error message, you are likely trying to remove a photo that is currently the cover photo for that bird species. Make sure that you pick a different cover photo first. Once you do so, you can remove the photo you no longer want in your gallery. 

If you can’t remove the last photo in a gallery because it’s set as the cover photo, re-classify the image with the Wrong Bird feature into another existing bird gallery (this way this root gallery will disappear as well). You should then be able to remove the photo in the gallery you relocated it into since it's not a cover photo anymore.