This frogs were just ones from among the hundreds that were singing in a lake on a hot summer evening. This species can be distinguished from the similar stripeless tree frog by its black lateral stripe which reaches until the hind legs.
Permanent freshwater marsh.
First photo was kindly yielded by João Messias.
Lat: 38.84, Long: -8.82
Spotted on May 30, 2012
Submitted on Jul 15, 2014