Purportedly found by an amateur photographer Jo Dahran when he spotted the mega rarity in the sumac with a good photo, the bird was later seen at the east edge of the Peninsula meadow.
Later tweets placed the mega fly catcher on Breeze hill west near Terrace bridge by a portable potty in midafternoon.
Tropical and Couch Kingbirds are identical so a call or chirp note -- audio evidence- is needed to nail the species.
Below screenshot from Sibley's field guide Tropical above, Couch below ( identical..in appearance
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"And so with the sunshine and the great bursts of leaves growing on the trees, just as things grow in fast movies, I had that familiar conviction that life was beginning over again with the summer."
― F. Scott Fitzgerald