Observer: John Reuland
Observer: Daniel Welsh
Observer: Daniel Welsh
Observer: Craig Dodson
Observer: Craig Dodson
Observer: Robert Shull
Observer: John Houle
Location: I-5 N, Maxwell US-CA 39.34558, -122.19475 Colusa California
Observer: Stuart Angerer
Observer: Natalie Kluck
Location: Delevan National Wildlife Refuge, Maxwell US-CA 39.31734, -122.09785 Colusa California
Observer: Ed Pandolfino
Observer: John Luther
Observer: John Luther
Observer: David Nickerson
Location: I-5 S, Arbuckle US-CA 38.98689, -122.03736 Colusa California
Observer: David Nickerson
Location: I-5 S, Arbuckle US-CA 39.11311, -122.12069 Colusa California
Observer: David Nickerson
Location: I-5 N, Williams US-CA (39.1727,-122.1530) Colusa California
Observer: Casey Richart
Observer: Peter Colasanti
Observer: Judy Meredith
Observer: Debra Johnson
Observer: Sharon Wilcox
Observer: patty orourke
Observer: Alena Capek
Observer: Debra Johnson
Observer: Sharon Wilcox
Observer: patty orourke
Observer: Alena Capek
Observer: Ron Andersen
Observer: Elizabeth Andersen
Observer: John Harris
Observer: John Harris
Observer: John Harris
Location: Ohm Road, Colusa NWR Arbuckle US-CA 39.14457, -122.04075 Colusa California
Observer: John Harris
Observer: John Harris
Observer: Ben DeDominic
Location: Sand Creek Rd, Arbuckle US-CA 39.00605, -122.19328 Colusa California
Observer: Josh McLaughlin
Observer: Katrina Deane
Observer: Katrina Deane
Observer: Ed Pandolfino
Observer: Ed Pandolfino
Observer: Ed Pandolfino
Location: Bear Valley Rd, Williams US-CA 39.16723, -122.43996 Colusa California
Observer: Ed Pandolfino
Observer: Ed Pandolfino
Observer: Katrina Deane
Observer: Natalee Bozzi
Location: West Side Highway, Williams, California, US (39.177, -122.158) Colusa California
Observer: Theresa Thomas
Observer: Ron Andersen
Observer: Elizabeth Andersen
Observer: Theresa & Steve Graham
Observer: Sam Baxter-Bray
Location: 4477–4599 Princeton Rd, Colusa US-CA 39.32924, -122.03476 Colusa California
Observer: Ben DeDominic
Observer: John Luther
Observer: Debra Miyamoto
Observer: Patty Drew
Observer: Lucas Corneliussen
Observer: Lucas Corneliussen
Observer: Terry Blows
Observer: Lucas Corneliussen
Location: Ohm Rd. Colusa California
Observer: Lucas Corneliussen
Observer: Lucas Corneliussen
Observer: Lucas Corneliussen
Observer: Robin Wolcott
Observer: Ed Harper
Observer: Lucas Corneliussen
Location: Arbuckle (neighborhoods) Colusa California
Observer: Lucas Corneliussen
Observer: Robin Wolcott
Observer: Ed Harper
Observer: Max Brodie
Location: CA-20, Williams US-CA 39.15285, -122.22385 Colusa California
Observer: Sean McAllister
Location: Colusa National Wildlife Refuge, Colusa US-CA 39.19553, -122.05924 Colusa California
Observer: Charlene McAllister
Location: Colusa National Wildlife Refuge, Colusa US-CA 39.19553, -122.05924 Colusa California
Observer: Sean McAllister
Observer: Charlene McAllister
Observer: Christine Robson
Location: West Side Highway, Maxwell, California, US (39.347, -122.195) Colusa California
Observer: j loucks
Observer: Rachel Lawrence
Location: Lone Star Rd, Arbuckle US-CA (39.0632,-122.0786) Colusa California
Observer: Joel Holtrop
Location: I-5 S, Williams US-CA 39.15103, -122.14074 Colusa California
Observer: Joel Holtrop
Location: I-5 S, Maxwell US-CA 39.32051, -122.19489 Colusa California
Observer: Steve Laymon
Observer: Alexander McDonell
Observer: Steve Stump
Location: Princeton Colusa California
Observer: Daniel Welsh
Observer: Steve Laymon
Observer: Adrian Helmling-Cornell
Observer: Stuart Angerer
Observer: Rick Tyler
Observer: Rick Tyler
Observer: Rick Tyler
Observer: Rick Tyler
Location: 3249 Butte Slough Road, Colusa, California, US (39.209, -121.986) Colusa California
Observer: Rick Tyler
Location: 3249 Butte Slough Road, Colusa, California, US (39.209, -121.986) Colusa California
Observer: Marj Davis
Observer: Milo Nikolic
Location: 6084 CA-20, Williams US-CA (39.1812,-122.1197) Colusa California
Observer: Milo Nikolic
Observer: Milo Nikolic
Location: Lone Star Rd, Williams US-CA (39.1780,-122.0780) Colusa California
Observer: Kaysia Grow
Observer: Kadynn Hatfield
Location: I-5 S, Arbuckle US-CA 39.00586, -122.04991 Colusa California
Observer: Ezekiel Dobson
Location: I-5 S, Maxwell US-CA 39.37123, -122.19310 Colusa California
Observer: Stuart White
Observer: Helen White
Observer: Kevin Wistrom
Location: West Side Highway, Williams, California, US (39.235, -122.182) Colusa California
Observer: Kevin Wistrom