Wildlife-Reptiles & Amphibians.
Moor Frogs. (Rana arvalis )
![Moor Frogs. (Rana arvalis )](https://amazon.clikpic.com/adriandaveybirdphotograph/images/Blue_Frog_Poland_april_13_copy_1.jpg)
Biebrza NP.Poland,May 2013. Also called Blue Frogs,the males develop a bright blue colouration for a few days in the breeding season.
Biebrza NP.Poland,May 2013. Also called Blue Frogs,the males develop a bright blue colouration for a few days in the breeding season.