I used to live near the flight path of crows retreating by dusk. For years, in warmer months, hundreds would gather daily at sunset at the local kiddie pool / n

I used to live near the flight path of crows retreating by dusk. For years, in warmer months, hundreds would gather daily at sunset at the local kiddie pool / nature park and have communal bath parties and squawk in the huge trees until the sun set, then fly off again.