[TN-Bird] Y-T Vireo, other early migrants

Early migrants are really starting to roll in.  On a 2-mile stretch of
the N. Boundary Trail (Oak Ridge DOE Res.-Roane County) I heard my first
YELLOW-THROATED WARBLERS (5), a small flood of BLUE-GRAY GNATCATCHERS
(7), and my first NORTHERN PARULA (1).  But the real surprise of the day
was an early YELLOW-THROATED VIREO.
    Interestingly, none of these were singing between 7:00 and 7:45
(except the vireo) and all were singing between 8 and 8:30.  It was a
little cool (50?) at 7:30 with the sun up and certainly warmer (near
60?) by 8:30.  Could that small temperature difference make that much
difference in singing activity?
    Another question/observation:  Has any else notice a near absence of
bees to pollinate all these flowers.  I really miss that background buzz
and worry about plants getting pollinated.

Dev Joslin
Oak Ridge, TN



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