Colony Location: Johnston Atoll | Pacific Environment Data Portal

Colony Name

Johnston Atoll

Atoll

Johnston Island

EEZ

Johnston Atoll EEZ

Island Name

Johnston Island

Coordinates

16° 43.733' N, 169° 31.983' W

Species	Period	Count	Derivation	Breeding Status	Data Source	Data Quality
Wedge-tailed Shearwater Ardenna pacifica (Procellariidae)	2007	(Unknown)		Confirmed	USFWS (unpublished data)	Medium
Brown Booby Sula leucogaster (Sulidae)	1976			Absent	Amerson & Shelton (1976)	Good
Brown Noddy Anous stolidus (Laridae)	1976			Absent	Amerson & Shelton (1976)	Good
Bulwer's Petrel Bulweria bulwerii (Procellariidae)	1976			Absent	Amerson & Shelton (1976)	Good
Christmas Shearwater Puffinus nativitatis (Procellariidae)	1976			Absent	Amerson & Shelton (1976)	Good
toggle-details Grey-backed Tern Onychoprion lunatus (Laridae)	1976	(Unknown)		Absent	Amerson & Shelton (1976)	Good
Survey Breeding Notes Wetmore (ms. a) recorded 25 well-grown young, some of which were flying, here in July 1923. Because of human disturbance, none has been recorded since.
Red-footed Booby Sula sula (Sulidae)	1976			Absent	Amerson & Shelton (1976)	Good
Masked Booby Sula dactylatra (Sulidae)	1973 - 2007	(Unknown)		Potential Breeding	USFWS (unpublished data)	Medium
Blue Noddy Anous ceruleus (Laridae)	1973 - 2007	(Unknown)		Potential Breeding	USFWS (unpublished data)	Medium
Common White Tern Gygis alba (Laridae)	1969 (Breeding)	40 Individuals	Estimated (directly)	Confirmed	Amerson & Shelton (1976)	Good
Masked Booby Sula dactylatra (Sulidae)	1969	(Rare)		Non-Breeding	Amerson & Shelton (1976)	Good
Red-tailed Tropicbird Phaethon rubricauda (Phaethontidae)	1969 (Breeding)	125 Individuals	Estimated (directly)	Confirmed	Amerson & Shelton (1976)	Medium
Sooty Tern Onychoprion fuscatus (Laridae)	1969	(Unknown)		Absent	Amerson & Shelton (1976)	Good
Wedge-tailed Shearwater Ardenna pacifica (Procellariidae)	1969	(Uncommon)		Confirmed	Amerson & Shelton (1976)	Good
Great Frigatebird Fregata minor (Fregatidae)	1962			Absent	Amerson & Shelton (1976)	Good
Brown Noddy Anous stolidus (Laridae)	1948	(Rare)		Potential Breeding	Fennell (1948)	Good
Brown Booby Sula leucogaster (Sulidae)	1923 July (Breeding)	75 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Good
Brown Noddy Anous stolidus (Laridae)	1923 July (Breeding)	1500 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Good
Bulwer's Petrel Bulweria bulwerii (Procellariidae)	1923 July (Breeding)	400 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Medium
Christmas Shearwater Puffinus nativitatis (Procellariidae)	1923 July (Breeding)	400 Individuals (Unknown)	Estimated (directly)	Confirmed	Wetmore (1923)	Medium
Common White Tern Gygis alba (Laridae)	1923 July (Breeding)	40 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Good
Great Frigatebird Fregata minor (Fregatidae)	1923 July (Breeding)	800 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Good
toggle-details Grey-backed Tern Onychoprion lunatus (Laridae)	1923 July (Breeding)	25 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Good
Survey Breeding Notes Wetmore (ms. a) recorded 25 well-grown young, some of which were flying, here in July 1923. Because of human disturbance, none has been recorded since.
Laysan Albatross Phoebastria immutabilis (Diomedeidae)	1923 July (Breeding)	2 Individuals	Estimated (directly)		Wetmore (1923)	Good
Masked Booby Sula dactylatra (Sulidae)	1923 July (Breeding)	150 Individuals	Estimated (directly)	Potential Breeding	Wetmore (1923)	Medium
Red-footed Booby Sula sula (Sulidae)	1923 July (Breeding)	250 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Good
Red-tailed Tropicbird Phaethon rubricauda (Phaethontidae)	1923 July (Breeding)	8 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Medium
Sooty Tern Onychoprion fuscatus (Laridae)	1923 July (Breeding)	3500 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Poor
Wedge-tailed Shearwater Ardenna pacifica (Procellariidae)	1923 July (Breeding)	2500 Individuals	Estimated (directly)	Confirmed	Wetmore (1923)	Poor
Common White Tern Gygis alba (Laridae)	1859	(Present)		Confirmed	Amerson & Shelton (1976)	Good
Red-tailed Tropicbird Phaethon rubricauda (Phaethontidae)	1859 March	(Present)		Confirmed	Amerson & Shelton (1976)	Good