TABLE 2 BIRDS AT SEA - MORE THAN 50 MILES FROM LAND Region Abundance Minimum dist. from land Area of Concentration Comments Lodgetail Very common 640 One orange tag Shearwater (896) Sooty Common 640 Away from Migrating south Shearwater (273) Land Pink-footed Very rare 560 miles ---- One collected Shearwater (1.) NE of Christmas Manx Occasionally 640 7-3°N - Shearwater Common (35.) 150-7°W ------ Christmas I. Very rare (2) 120 NE of ------ Shearwater Christmas I. Phoenix I. Occasionally 640 Around Northern extent Petrel Common (55) Christmas I. 12° 30' N Cook's Common (220) 640 More abundant at greater distances Petrel from land. Juan Fernandez Common (267) 640 500-100 miles Two collected Petrel NE of Line I. northern extent 17° 30' N. White-necked Rare (19) 640 Widely ------ Petrel distributed Bolander's Very rare (3) 640 NE of 6°N-150°W, 7°N- Petrel Christmas I. 152°W, 5°20'N- 151°W Jonin Petrel Rare (16) 150 S of Kauai Only seen one day Skua Very rare (3) 500 ------ 9°50'N-162°10'W 3°20'N-13°N161°W 156°W Otway Petrel Occasionally 640 NE of Lano Most had white Common (24) Is. rump Red-tailed Rare (9) 640 Near Christ- ------ Tropicbird mas I.