Collaborative List – August 2017
10,000 Birds
SEPTEMBER 2, 2017
Sacramento NWR–Visitor Center. Cattle Egret – Bubulcus ibis. Sacramento NWR–Visitor Center. Mark Hatfield Marine Science Center and Estuary Trail. Sacramento NWR–Visitor Center. Cattle Tyrant – Machetornis rixosa. Wandering Whistling-Duck – Dendrocygna arcuata.
100 
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