Great Blue Heron
Ardea herodias
When to look
Records by month. January, 1,015,047 records. February, 820,095 records. March, 969,786 records. April, 1,540,700 records. May, 1,841,311 records. June, 1,002,358 records. July, 1,018,971 records. August, 1,252,120 records. September, 1,342,905 records. October, 1,188,752 records. November, 964,760 records. December, 929,235 records.
Occurrence data from GBIF (incl. the eBird Observation Dataset, © Cornell Lab of Ornithology, CC BY 4.0). Descriptive, not predictive.
Photograph one yourself?
Plumage names the birds in your camera roll, keeps the list on your phone, and shows you which species you are still missing. Free to start.