Da Wikipedia, l'enciclopedia libera.
Several species of Hypolais or Hippolais birds.
1. Hypolais pallida 2. Hypolais philomela * 3. Hypolais polyglotta 4. Hypolais olivetorum
From: NAUMANN, NATURGESCHICHTE DER VÖGEL MITTELEUROPAS: Band II, Tafel 4 - Gera, 1897
http://www.biologie.uni-hamburg.de/b-online/birds/2181_32.htm
 |
This image comes from the book Naumann, Naturgeschichte der Vögel Mitteleuropas (Natural history of the birds of central Europe) of 1905 or his earlier works. The copyrights for those books have expired and this image is in the public domain. See here |
Pagine che usano questa immagine
Le pagine seguenti richiamano questa immagine: