What is "chirps"

Usage examples of "chirps".

While he concentrated on the picture of the sword, Richard was vaguely aware of the chirps and clicks of bugs, the low, steady croaks of frogs, and the rustling of mice and voles among the dry debris of the forest floor.

On the throne Success usurps, You shall seat the joy you feel Where a race of water chirps, Twisting hues of flourished steel: Or where light is caught in hoop Up a clearing's leafy rise, Where the crossing deerherds troop Classic splendours, knightly dyes.