Massive Flocks Of Crows Invade Rosslyn: Report

ARLINGTON, VA — If you've noticed huge numbers of crows flying over Rosslyn lately, you're not alone.

Video has been posted online showing absolutely staggering numbers of crows filling the skyline and landing on top of buildings.

They typically show up at around sunset, when they make their presence known.

The Washingtonian reports that this is not abnormal and in fact is to be expected at this time of year, because it is the end of the crows' breeding seasons. Once the breeding season begins anew in early spring, the crows will become territorial again and will not flock together in such huge numbers.

Why Rosslyn? Crows likely are attracted to all the trash left out in Rosslyn, reports the Washingtonian, citing an expert.