bird-dog also bird·dog (bûrddôg′, -dŏg′)
v. bird-dogged, bird-dog·ging, bird-dogs also bird·dogged or bird·dog·ging or bird·dogs
Informal
v.intr. To follow a subject of interest, such as a person or trend, with persistent attention.
v.tr.1. To observe or follow closely; monitor: Police bird-dogged the suspect's movements.
2. To seek out (talent or clients, for example): bird-dogs recruits for the team.