Japanese tree frog

The Japanese tree frog, Japanese tree toad, far eastern tree frog, or northeast China tree frog ("Dryophytes japonicus") is a frog that lives in the Japan and Korea and parts of Mongolia and China.
This frog looks very similar to "Hyla arborea", but it has a spot under each eye. The adult male frog is 2.6 to 4.5 cm long from nose to rear end and the adult female frog is fromg 2.6 to 4.1 cm long. But the average size of the adult male frog is 3.1 cm and the average size of the adult female frog is 3.5 cm. It has disks on its toes for climbing.
This frog becomes able to lay eggs or fertilize eggs when it is 3 or 4 years old. It eats many kinds of insects. It looks for food at dawn and dusk but it will also eat during the day if an insect comes near it.