Bird Exhibition Hall Introduction: There are 50 physical bird specimens on display in the Bird Specimen Exhibition Hall, all of which are birds that have appeared or currently appear in Wild Duck Lake. These include 6 species of birds under national first-level protection and 34 species under national second-level protection. These specimens are very helpful for visitors to observe birds at close range. Each part of the facial features, head, neck, torso, wings, and limbs is fully presented to the visitors, including the changes in feather color. It allows you to see clearly.