Marsh frog (Pelophylax ridibundus) jumping, Danube Delta, Romania, June.  ,  ANIMAL,VERTEBRATE,FROG,GREEN FROG,EURASIAN MARSH FROG,ANIMALIA,ANIMAL,WILDLIFE,VERTEBRATE,CHORDATE,AMPHIBIA,ANURA,FROG,RANIDAE,PELOPHYLAX,GREEN FROG,WATER FROG,PELOPHYLAX RIDIBUNDUS,EURASIAN MARSH FROG,MARSH FROG,RANA RIDIBUNDA,PELOPHYLAX RIDIBUNDA,JUMPING,LEAPING,MID AIR,HUMOUR,COMEDY,ENTERTAINING,FUNNY,HUMOROUS,HUMOR,HUMOUROUS,JOKE,JOKES,EUROPE,EASTERN EUROPE,EAST EUROPE,ROMANIA,RUMANIA,FLOWING WATER,RIVER,RIVERS,FRESHWATER,WATER,TEMPERATE,WWE,REWILDING,Concepts  ,  Wild  Wonders of Europe / Lundgren