The department maintains study collections of fishes, amphibians, reptiles, birds, and mammals. A research collection is maintained separately (3,100 fishes, 1,300 reptiles and amphibians, and 600 specimens of mammals). In addition, a collection of over 250 mounted birds is on public display. The Henderson State University Herbarium is also located in the Reynolds Science Center. It houses over ten thousand vascular plant and bryophyte specimens.