California State Audubon
Nevada County Climate Change Coalition website
Gold Country Wildlife Rescue
Sacramento AudubonNevada County Breeding Bird Atlas Facebook
Nevada County Climate Change Coalition Facebook
The Bear Yuba Land Trust
The Forest Issues Group
The Sierra Nevada Alliance
South Yuba River Citizens League
Sierra Nevada Group of the Sierra Club
Friends of Spenceville
Birding Hotspots of Placer County(Placerbirding.com)
Joe Morlan’s California Birding pages
CBRC Rare Bird Photos
Sierra Forest Legacy