Summary[edit] Description: English: THE WESTERN FROG [Rana pretiosa Bd. and Gird. Female. Seattle, Washington.] Photographed (in water) to show the coloring of the upper and under surfaces. Date: 1906. Source: Dickerson, Mary C. (1906) The Frog Book, New York: Doubleday, Page & Company. Author: Mary Cynthia Dickerson (1866–1923).
Location Warrington, UK, May 2010, Frogs raised in captivity from sporn found in a local pond, approx 7 weeks old, some tadpoles develop into frogs quicker than others, some tadpoles are still have no legs at 7 weeks, other are almost a frog.
撮影地:茨城県城里町 Location : Shirosato Town, Ibaraki Prefecture, Japan Description: 日本語: ニホンアカガエル (学名:Rana japonica). Date: 22 July 2017. Source: Own work. Author: Σ64. Permission (Reusing this file): I, the copyright holder of this work, hereby publish it under the following licenses: : Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue. : This file is licensed under the Creative CommonsAttribution 3.0 Unported license.:. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). http://creativecommons.org/licenses/by/3.0 CC BY 3.0 Creative Commons Attribution 3.0 truetrue. You may select the license of your choice.. Other versions: .
Summary[edit] Description: The mountain yellow-legged frog (Rana mucosa) has had a long road from being declared nearly extinct to producing more than two thousand tadpoles in 2015. More frogs were released into the wild last year than in any previous year since the San Diego Zoo’s Institute for Conservation Research began its captive breeding program in 2007. All the frogs were released into suitable habitats on the San Bernardino National Forest. Date: 26 May 2016, 22:37. Source: Mountain yellow-legged frog. Author: Pacific Southwest Region 5.
Summary[edit] Description: A Columbia spotted frog, a small amphibian located in northeastern Nevada, and southern Oregon and Idaho, in its natural Great Basin habitat. Due to successful conservation efforts by federal, state, local and private partners, the frog was removed from the ESA candidate species list. (USFWS photo, Chad Mellison). Date: 10 July 2008, 12:55. Source: Columbia Spotted Frog. Author: Pacific Southwest Region USFWS from Sacramento, US.
Summary[edit] Description: English: Rana pueyoi is an extinct species of large frog from Early Miocene of Spain. This fossil (from South Aragon, Spain / 65-25 million years old) is on display in the National Museum of Natural History "Naturalis" in Leiden, the Netherlands Nederlands: Rana pueyoi is een uitgestorven kikker uit Spanje. Dit fossiel (Zuid-Aragon, Spanje / 62-25 miljoen jaar oud) is te zien in het Nationaal Natuurhistorisch Museum "Naturalis" in Leiden, Nederland. Date: 3 January 2009. Source: Own work. Author: Peter Maas.