Great Blue Heron
Ardea herodias
Live from the dock
Active 131 minutes across 30 days since May 2026. Last heard today.
Heard todayHear the call
When you'll hear it
Most often heard around sunrise, 5 to 8 a.m. Quiet in the afternoon.
Minutes active by hour, as a table
| 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | NOON | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Minutes active | 0 | 1 | 6 | 1 | 4 | 36 | 24 | 14 | 3 | 4 | 4 | 5 | 5 | 4 | 0 | 1 | 0 | 1 | 2 | 1 | 3 | 7 | 3 | 2 |
Across the year
Present from early-May through July. First heard this year on May 9.
Dock records
- First heard
- May 9, 2026 (first in our records)
- Busiest day
- 11 minutes on June 6, 2026
- Earliest call
- 1:15 a.m.
- Days detected
- 30 of 69 days monitored
Common questions
What time of day do you hear a Great Blue Heron at Watts Bar Lake?
Most often heard around sunrise, 5 to 8 a.m. Quiet in the afternoon. These are the hours the dock microphones detect the Great Blue Heron most often.
What time of year is the Great Blue Heron at Watts Bar Lake?
Present from early-May through July. First heard this year on May 9. That window is when the Great Blue Heron has been audible from the Watts Bar Lake dock.
Has the Great Blue Heron been heard at Watts Bar Lake?
Yes. Active 131 minutes across 30 days since May 2026. Last heard today.
About the bird
The great blue heron is a large wading bird in the heron family, common near shores of open water and wetlands over most of North and Central America, as well as Northwestern South America, the Caribbean, and the Galápagos Islands. It is occasionally found in the Azores and is a rare vagrant to Europe.
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