Concept

Birdsongs

Catalogue

Books
Online
The evolution of bird-song : with observations on the influence of heredity and limitation / by Charles A. Witchell.
Witchell, Charles A., -1907.Date: 1896
Books
Online
On the voice of birds / [Philip Bury Duncan].
Duncan, Philip Bury, 1772-1863.Date: Between 1830 and 1839?]