Was there a time frame for your sighting? Crows tend to flock to a particular roosting site and can be seen in numbers both going to and from the chosen roosting spot.
My husband saw them around 4pm yesterday. He said it was a phenomenal sight.
Here's a couple links for you Karen, first my son took a video for me 3 years ago....he was 8.
since you're in Moncton, you might enjoy this.
Thanks for that Divorcees' song, I had never seen this video. Alex played at our lounge every third week at the Hillsborough Golf Club. He is a funny, talented entertaining guy. I love this crow song...