👉 Pigeonneau, also known as a pigeon nest or an egg case, is a small, round object found in the cavities of bird nests. It is typically made from feathers and has been used for various purposes such as nesting materials, food storage containers, and even as decorative items. The term "pigeonneau" originated from the Latin word "pigeon," which refers to the large blackbird or pigeon that is often found in bird habitats. The name "