Overcast skies may have kept a few more migrants grounded overnight at the park. There were a handful singing for me making identification easy. A Great-crested Flycatcher has been hanging around for two weeks down by Tobacco Creek and East Park Boundary and a Gray Catbird made its meow notes at East Park Boundary. Several Least Flycatchers sang their characteristic "che-bek, che-bek", and the Warbling Vireo belted out its long warbling song, both species at Tobacco Creek.Early in the morning near Twin Falls I was greeted by a striking male Canada Warbler with its black necklace on a yellow throat. At both Twin Falls and Tobacco Creek two male Wilson's Warblers with all yellow underparts and a small black cap were quietly gleaning insects from the large canopied trees.
At my final survey sight for the day, Hackenberg Creek, a female Northern Cardinal was detected building a nest right along the trail down to the river. Two Yellow-throated Vireos were also noted singing on territory on today's survey as were three Louisiana Waterthrushes.
The Pedernales River water levels are up today and the water very turbid looking as well as noisy in areas where the water drops over a series of rapids. Two inches of rain fell in the last week allowing for the grasses and forbs along the river to bolt. Soon I will be walking through a sea of tall, dew-covered vegetation to arrive at my survey sites.
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