2002
| Date |
Colony/Location |
Note |
| 03/21/02 |
John Day Dam |
First terns (2) observed on the lower Columbia River |
| 03/27/02 |
East Sand Is. |
First terns (50) observed in Columbia River Estuary (on beach adjacent colony site) |
| 03/27/02 |
Crescent Is. |
First terns (6) observed on colony |
| 04/02/02 |
Seattle |
Settlement Agreement signed |
| 04/02/02 |
East Sand Is. |
First terns (762) observed on colony |
| 04/06/02 |
East Sand Is. |
Habitat work initiated by USACE |
| 04/06/02 |
East Sand Is. | Decoys and sound systems deployed |
| 04/08/02 |
East Sand Is. |
Habitat work completed by USACE |
| 04/08/02 |
East Sand Is. |
Colony monitors on island |
| 04/08/02 | Rice Is. | Flagging of colony site completed by NMFS, ODFW, and USACE |
| 04/15/02 |
Crescent Is. | First egg observed on colony |
| 04/18/02 | East Sand Is. | First egg observed on colony |
| 04/23/02 |
Pillar Rock | Loafing terns (300) observed at upland site |
| 04/23/02 | Pillar Rock | USACE began continuous monitoring and hazing of terns at upland sites |
| 05/01/02 |
Pillar Rock | USACE ended continuous monitoring and hazing of terns at upland sites |
| 05/13/02 | Crescent Is. | First tern chicks (4) observed on colony |
| 05/14/02 | East Sand Is. | First gull egg observed |
| 05/15/02 | East Sand Is. | First tern chick observed on colony |
| 05/21/02 |
Estuary | Aerial photo census conducted (for estimating the number of breeding pairs on colony) |
| 05/23/02 | Upriver | Aerial photo census conducted (for estimating the number of breeding pairs on colony) |
| 06/11/02 |
East Sand Is. | First gull chicks (3) observed on colony |
| 06/21/02 |
East Sand Is. | First fledgling observed at colony |
| 06/24/02 |
Crescent Is. | First fledgling observed at colony |
| 07/01/02 |
East Sand Is. | Second aerial photo census conducted (for estimating the number of fledglings on colony) |
| 07/09/02 |
Crescent Is. | Tern chicks near fledging age (72) banded at the colony |
| 07/12/02 | East Sand Is. | Tern chicks near fledging age (375) banded at the colony |
| 07/26/02 |
All colonies | Final day of data collection for the 2002 field season (some periodic monitoring of other bird species will continue on East Sand Island through mid-September) |