Big River Bird Survey #2 Laguna Marsh
- The second in a series of 9 point-count surveys in the Spring Big
River Bird Surveys took place this chilly morning shortly after dawn.
Nine stations were surveyed in the vicinity of Laguna Marsh, the
easternmost of the three survey routes at Big River, with the
Purple Martin were heard or seen at four of nine stations, while
Vaux's Swifts were seen at 3. Violet-green Swallows were observed at
2 stations, Tree Swallows at one. Cliff Swallows were observed only
at one station but may have been the most numerous swallows of the
day with at least 15 individuals counted.
Marsh Wren were widespread (4 of 9 stations), numerous and noisy but
only one Virginia Rail was heard. Swainson's Thrush were observed at
5 stations and Hermit Thrush at 3. Hummingbird species included
Anna's (2 stations) and Allen's (only one.) Raptors were scarce with
only Turkey Vultures (3 stations) and Northern Pygmy Owl (one
station) noted. Mallards were the most numerous duck species at the
Marsh this morning but three Wood Drakes were also seen.
Olive-sided Flycatchers were heard from 5 stations and Warbling Vireo
only at one.
Woodpecker species observed were Northern Flicker (3 stations), Acorn
Woodpecker (2 stations) and Hairy (on the way out.) Red-breasted
Nuthatch were only heard from one station. European Starling were
noted at 4 stations.
The station overlooking Little Laguna Marsh was the diversity
champion of the day with 22 species noted during a ten-minute survey.