The aluminum band on the right leg is from Bird Banding Laboratory (part of the USGS) and the plastic colored band (different colors for different types of birds) is from the CDFW in conjunction with local raptor research groups and are used to track migration and hunting grounds of the various birds and to count the populations of the various raptors in a given area.
Got this Red-shouldered Hawk last weekend that had bands on both legs.
I still want to know who is doing the banding and how they catch these birds?
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