Cogswell 1949 Journal 8 Feb.5 (p.4) However, there were very few birds in the Butter By-pass slough— all the ducks seem to be out in the open fields now, even this late (5-5:30 P.M.) in the day. Feb.6- along road 5 from Marysville, just E of Feather River, western Yuba C., Calif. from 7:00 -8:15 AM we drove about along this road to a point about 6 mi. s. of town. Several huge concentrations of Pintails, all with a few mallards sprinkled in, were feeding or resting in rice stubble fields along the road. Perhaps total waterfowl nos. here well upwards of 50,000, altho we could see only a few of the borer, onest. Estimates by species for the 1¼ hrs. are: Whistling Swan - 15 Com. Canada Goose .200 Lesser " " .20 Mallard - 10+ Pintail 10,000+ at our farthest stop from Marysville (6½ mi.), we spent 15 min. along the bushy nearly border of a valley oak grove and noted the following land birds: