Summary[edit] Description: Male Pool frog (Rana lessonae aka Pelophylax lessonae) croacking. The bellows are pure white. Date: 28 April 2007. Source: Own work. Author: Viridiflavus.
Summary[edit] Description: Nederlands: Eén van de vele kikkers op Landgoed Ginkelduin te Leersum : This is a photo or sound file made in Utrechtse Heuvelrug National Park in the Netherlands, with the main subject of the file in the category: animals. Date: 25 May 2014, 14:07:35. Source: Own work. Author: Wendy de Bert.
Summary[edit] Description: English: Sound image (oscillogram) of a mating call at 25.5 °C water temperature and 23 °C air temperature. The two arrows mark a pulse group with three pulses. Deutsch: Schallbild (Oszillogramm) eines Paarungsrufs bei 25.5 °C Wassertemperatur und 23 °C Lufttemperatur. Die beiden Pfeile markieren eine Impulsgruppe mit drei Impulsen. Date: 18 May 1993. Source: Own work. Author: Prof. emer. Hans Schneider (Geyersberg).
Sciagraph (X-ray photograph) from ' (1897) by James Green. Albumen print, on card mount; sheet 14.3 x 10 cm, on mount 16.1 x 11 cm. depicts Rana Esculenta (now Pelophylax lessonae).
Summary[edit] Description: Deutsch: Teichfrosch (Pelophylax kl. esculentus) auf einem Seerosenblatt, fotografiert in Weinheim (Baden-Württemberg, Deutschland). Date: 4 June 2010. Source: Own work. Author: 4028mdk09.
Summary[edit] Description: English: Male Pelophylax lessonae, Pool Frog, Poelkikker. Date: 30 May 2013, 12:28:05. Source: Own work. Author: Luc hoogenstein.