Definitions for jaybirdˈdʒeɪˌbɜrd
Random House Webster's College Dictionary
Ref: jay1. 1 1
Origin of jaybird:
blue jay, jaybird, Cyanocitta cristata(noun)
common jay of eastern North America; bright blue with grey breast
A jay or blue jay.
One who talks incessantly.
Belinda was a jaybird and could prattle on for hours about the latest gossip.