2004 Migratory bird records from Hong and Daeheuksan Islands
Park Jong-Gil
| Species | Date (Number of individuals) | Location | Sex/Age | Observer |
| Paddyfield Warbler | April 08-10 | HongIsland | Adult | Park Jong Gil |
| Orange-headed Thrush | May 08 | HongIsland | Male | Kim Sung Hyun |
| Chinese/ Light-vented Bulbul | April 07-13 (2) | HongIsland | ? | Park Jong Gil |
| Japanese Night Heron | May 11 | HongIsland | Adult | Gwak Geon Kyung (Kookmin Newspaper) |
| Chinese Blackbird | 1) March 20-21 (2) 2) April 08 (1) | HongIsland | 1) Male & Female 2) Female | Kim Sung Hyun |
| Black Redstart | April 09 | HongIsland | M | Park Jong Gil |
| White-breasted Waterhen | 1) May 05-06 (2) 2) May 07 (3) 3) May 20 (2) | HongIsland | Adult | Park Jong Gil |
| Spangled Drongo | May 07-08 | HongIsland | Adult | (To be confirmed) |
| Black Drongo | 1) May 04-06 (3) 2) May 18 (2) 3) May 19-21 (1) | 1) Daeheuksan Island 2) Daeheuksan Island 3) HongIsland | 1) ? 2) 1st S 3) 1st S | 1) Han Hyun Jin 2) Park Jong Gil 3) Park Jong Gil |
| Red-billed Starling | 1) March 31 - April 01 (1) 2) April 08-10 (1) 3) April 10-11 (2) | 1) HongIsland 2) HongIsland 3) Daeheuksan Island | 1) Female 2) Female 3) Male, Female | Park Jong Gil |