Colony Name
    
          Bikini
    
      Atoll
    
          Bikini Atoll
    
      EEZ
    
          Marshall Islands EEZ
    
      Island Name
    
          Bikini
    
      Coordinates
    
          
    11° 37.617' N,
    165° 32.767' E
  
| Species | Period | Count | Derivation | Breeding Status | Data Source | Data Quality | 
|---|---|---|---|---|---|---|
| 1986  May (Unknown) |  Individuals | Observed | Non-Breeding | Good | ||
| 1986  May (Unknown) |  Individuals (Frequent) | Observed | Non-Breeding | Good | ||
| 1986  May (Unknown) | 2-4 Mature individuals | Observed | Probable | Good | ||
| 1986  May (Unknown) |  Individuals (Frequent) | Observed | Non-Breeding | Good | ||
| 1986  May (Unknown) | 1-6 Individuals | Observed | Non-Breeding | Good | ||
| 1986  May (Unknown) |  Individuals (Uncommon) | Observed | Non-Breeding | Good | ||
| 1986  May (Unknown) | 1 Individuals | Observed | Non-Breeding | Good | ||
| 1986  May (Unknown) | (Uncommon) | Observed | Non-Breeding | Good | ||
| 1946  May (Unknown) | 10 Individuals | Observed | Confirmed | Medium | ||
| 1946  May (Breeding) | 10 Individuals | Observed | Confirmed | Medium | ||
| 1946  February | 5 Individuals | Observed | Confirmed | Medium | ||
| 1946  March (Breeding) | 2 Nests | Observed | Confirmed | Medium | ||
| 1946  March (Unknown) | 4 Individuals | Observed | Confirmed | Medium | ||
| 1986  May (Unknown) |  Individuals (Frequent) | Observed | Non-Breeding | Good | ||
| 1946  May (Unknown) | 4 Individuals (Present) | Observed | Confirmed | Medium | ||