Unusual Songs in Passerine Birds

Author Institution: Faculty of Population and Environmental Biology, The Ohio State University, 1735 Neil Ave., Columbus, Ohio 43210Unusual songs of passerine birds fall into five categories: (1) special songs, sung only under certain circumstances, and considered unusual only because they are seldom heard; (2) developmental stages of primary song; (3) songs resembling those of another species (mimicry); (4) song types outside their usual geographic range, and rare or accidental where heard; and (5) atypical songs. Songs of each category are discussed, and illustrated with examples

Songs of the Thrushes (Turdidae), Wrens (Troglodytidae), and Mockingbirds (Mimidae) of Eastern North America

Author Institution: Department of Zoology and Entomology, The Ohio State University, Columbus 1

Songs of Finches (Fringillidae) of Eastern North America

Author Institution: Department of Zoology and Entomology, The Ohio State University, Columbus 1

An Outline of the Process of Organic Evolution

Author Institution: Department of Zoology and Entomology, The Ohio State University, Columbus, 1

Audio-Spectrographic Analysis of the Song of the Cone-Headed Grasshopper, Neoconocephalus Ensiger (Harris) (Orthoptera: Tettigoniidae)

Author Institution: Department of Zoology and Entomology, The Ohio State University, Columbus 1

Vocal Gymnastics in Wood Thrush Songs

Author Institution: Department of Zoology and Entomology, The Ohio State University, Columbus 1

New Records of Ohio Dragonflies (Odonota)

Author Institution: Department of Zoology and Entomology, Ohio State University, Columbus, Ohi