To dream of larks flying represents ambitious plans and goals. If the larks fall during flight, then it suggests that you will be faced with misery despite your current easy and joyful state.
To hear larks singing predicts business success. You will be delighted in a change of environment.
To dream that you see a wounded or dead lark denotes grief and sorrow.
To dream that you kill a lark bids an end to your pure and blameless nature as a result of giving in to passion, desires, and temptations.