Many are partly to entirely black, often with iridescence or bright markings of some sort. Most blackbird species form flocks at certain times of the year, and many form multispecies flocks. Blackbirds live in open habitats and eat seeds, grain, and insects.
The definition of a trepidation is a trembling movement, fear or nervousness. 1  An example of trepidation is when a speaker's hands are shaking due to nerves while giving a speech. 2  An example of trepidation is an anxious feeling before the first day of college.
tremulous - (of the voice) quivering as from weakness or fear; the old lady's quavering voice; spoke timidly in a tremulous voice. quavering. unsteady - subject to change or variation; her unsteady walk; his hand was unsteady as he poured the wine; an unsteady voice.