violet crocus flowers in spring with flying bees collecting honey, germany

spermatophytina magnoliopsida environmental conservation environment asparagales underwater protection stagnalis undefined mortality iridaceae beautiful pollinate swimming crocuses seasonal footage pointed aquatic closeup flowers blossom weather lymnaa diving plants garden crocus violet flight nectar pollen flower nature insect yellow season floral animal spring summer purple video snail water shell algae flies wings honey plant flora fauna green macro film clip horn lung pond lake bees save park iris blue mud bee