photo of a common tree frog on reed during the night, this common tree frog is coloured brown, common tree frogs have the ability to change colours (like a chameleon) from bright green to dark brown.

- Image ID: BKHWD1
photo of a common tree frog on reed during the night, this common tree frog is coloured brown, common tree frogs have the ability to change colours (like a chameleon) from bright green to dark brown.
Buiten-Beeld / Alamy Stock Photo
Image ID: BKHWD1
Location: Nederland; Netherlands, Gelderland