motacilla cinerea jumping on the rocks of the stream

agile agility backyard balance birdwatching boulder brown cinerea contrast creek currents elegant energy environment feathers flight flower flutter footfalls fresh garden geology grass green habitat hopping jumping jumpy leaf leaping light moment motacilla movement nature observation outdoor perch perched plant playful pond puddle quick ripples river riverbank rock rocks shallow shimmer splash spring stones stonewall stream streambed streamflow streamside surface surroundings swift transition undefined wagtail watchful water watercourse wildlife wings