Mechanical bird continues its journey through mysterious hostile worlds. (ifun4all.com)
Other GGRO volunteer innovations over the years include: (1) the Robo - Lure, the first mechanical bird built to trap raptors (for banding purposes); (2) the Quadrant System, our migration count methodology, devised to ensure that Golden Gate raptors could be counted consistently for the next century, a critical device for long - term population monitoring; and (3) the Bay Area Raptor Nesting Survey, a volunteer - based system of tracking raptor nest locations and survival. (parksconservancy.org)
The main draw comes in the form of letters and mechanical bird messengers. (tech-gaming.com)