Close-up of a nocturnal male Australian green tree frog (Ranoidea caerulea) at night with vocal sac during mating season in the tropical Daintree Rainforest, Queensland, Australia.
Close-up of a common toad or European toad (bufo bufo), a frog found throughout most of Europe, camouflaged on a forest path in spring at the time of toad migration, Weserbergland, Germany
Europese boomkikker, Hyla arborea, zittend op grasstro met heldere groene achtergrond. Mooie groene amfibie in natuur habitat. Wilde kikker op weide in de buurt van de rivier, habitat.
Close up of an Emerald Glass Frog or Nicaragua Giant Glass Frog (Spadarana prosoblepon). Green frog on a green leaf. Rana de cristal esmeralda sobre una hoja verde.
A Pickerel Frog that is transitioning from the tadpole stage to the adult stage. During metamorphosis the froglet has the tadpole tail, but also has the adult spot pattern and four legs.