Army Of Frogs Swimming On The Shallow Water Of Swamp River With Reflections

army frogs swimming shallow water swamp river reflections reflection national geographic nat geo animal planet nature natural habitat environment behavior swampland european common frog common frog marsh dry reeds reed quiet grow frog submerged bank mating season grass frog ripple jumping jump animals wet view brown frog world area grass amphibian european marshland toad treefrog grass frogs swim