March 19, 1947, Havasu Lake, Parker Dam to Topock Arizona, 0800-2045 MST. By Chris Craft Cruiser. W. Grebes - several seen Pied-billed Grebe - a few seen D. Crested Cormorants - scattered in small groups over the lake during the day, and bunched in certain trees at nite. Many "sun-posing" at noontime. Blue Heron - many seen along the way. American Egret - 15-20 seen today. Black-crown Night Heron - 1 flushed near Mojave Rock at 1540 MST American Bittern - 1 flushed Canada Geese - 2 found Mallards - 2 to 4 seen Baldpates - several M & F Gadwalls - 20-25 seen altogether. Shoveller - 1 female Redheads - 20-25 seen. Fewer males: 1:3, and 3:7, etc. Lesser Scaup - 7 all day. Hooded Merganser female American Merganser male Red-breasted Merganser - 2 females Turkey Vulture - many soaring. 1 feeding on dead carp on gravel bank. Duck Hawk - soaring over rocky cliffs near the lake. Marsh Hawk - 2 at Topock marsh. Killdeer, a few pair Spotted Sandpiper - 3 along the shores. Greater Yellowlegs - 4 were seen. (2 pair at different times). Ring-billed Gull - 3 seen Mourning Doves - 2 seen. Western Horned Owl (Bufo virginianus pallescens) - 2 flushed from a bluff below Blankenship bend. May have nesting site on this bluff wall. White-throated Swift - few soaring around the peaks by the lake. Costa Hummingbird - cotton from mattress being used in constructing the nest at the water guage station below Topock. Belted Kingfisher - 1 perched on 4' snag in the sun. Red-shafted Flicker Ladder-back Woodpecker - 1 at Topock Say's Phoebe - one hanging on cliff side. Rough-wing Swallows - many seen near the dam. Tree Swallows - 15-20 at bend above Needles Landing. Raven - 2 on cliff below Mojave Rock. Pipits - a few flew over. Phainopeplas - 4 seen in Arrowweed along bays and coves. Loggerhead Shrike - 1 Audubon Warblers - few at Topock Pileolated Warbler - 2 seen above Needles Landing. House Finch - 2 pair seen. Nevada Savannah Sparrows - Lincoln Sparrow - in brush at creek's edge, close to lake. Rocky soil. Song Sparrows - at Topock.