No, this shiny piece of bling on this bird’s leg isn’t jewelry or an identification tag. It is more like an ankle monitor that police place on parolees to find out their location. It is called a geolocation (GLS) tag and lets biologists track birds by recording light levels. The time of sunrise and sunset lets scientists calculate
Check out this find, a 1978 episode of Mutual of Ohama’s Wild Kingdom (featuring narration by the legendary Marlon Perkins) that was shot on the Farallones. “The Remarkable Farallones” features Point Reyes Bird Observatory Farallon Biologists Harriet Huber and Steve Morrell – Along with Patrol skipper Charlie Merrill and his boat Cimba – and shows
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