Orientation behaviour research happen to be customarily completed using variants of the set up often called the Emlen funnel, which is made up of a round cage Using the leading protected by glass or wire-display screen making sure that either the sky is noticeable or the setup is put inside https://petskyonline-onlinestrore.blogspot.com/2025/07/rethinking-animal-store-why-petsky-is.html