HylaArborea-CallingMale

Descrição:

Description: English: A European Tree Frog (Hyla arborea), calling male with distended gular vocal sac (photo taken at night). Deutsch: Ein rufendes Laubfrosch-Männchen (Hyla arborea) mit aufgepumpter Kehl-Schallblase (Bild nachts aufgenommen). Date: 29 April 2012. Source: Own work. Picture taken with: + tripod + flashlight. Location: North-eastern Lower Saxony, Germany. Author: Christian Fischer. Other versions: See also . : This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.:. Attribution: Christian Fischer. https://creativecommons.org/licenses/by-sa/3.0 CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue.