Downy_emerald_(Cordulia_aenea)_male Full size 4356 × 2904 pixels World Wetlands Day 2020: Wetland Biodiversity in a Changing World Downy emerald (Cordulia aenea), photo: Charles J Sharp. Previous image Next image Leave a ReplyCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.