Bohemian Waxwing (Bombycilla garrulus) Bombycillidae
Missoula, MT
April 18, 2017
Robert Niese
In early April, waxwings were migrating through town in the thousands. They paused in freshly blooming trees to gorge on buds and, in this case, last year’s fruits before continuing their trek northward. The noise and mess they created was astounding! I loved waking up to the roar of their high pitched calls. This flock consisted of around 600 Bohemian Waxwings and a few dozen Cedar Waxwings. The easiest way to tell them apart (for me, at least) is by their vent and under-tail colors. Bohemians have a rufous under-tail and a gray vent while Cedars have a gray-white under-tail and a pale yellow vent.
Northwest Naturalist 