Percentage of Trips Species Were Seen on Westport Seabird Trips by Month

PERCENTAGE OF TRIPS SPECIES WERE SEEN ON WESTPORT SEABIRD TRIPS BY MONTH. DOES NOT INCLUDE NON-PELAGIC SPECIES. DATA FROM 1990 THROUGH 2004.

MONTH JAN FEB MAR APR MAY JUN JUL JUL AUG AUG SEP SEP OCT 1-15 16-31 1-15 16-31 1-15 16-30

NO. TRIPS 8 5 3 15 16 6 13 16 31 32 44 19 23

Black-footed Albatross 100 60 100 93 100 100 100 100 100 100 100 100 100

Laysan Albatross 75 40 33 13 19 33 8 6 16 3 14 16 30

Northern Fulmar 100 100 100 93 100 83 100 100 100 100 98 100 100

Pink-footed Shearwater 13 40 33 60 100 100 92 100 100 100 100 100 100

Flesh-footed Shearwater 0 20 0 13 19 17 15 25 16 28 32 47 44

Buller’s Shearwater 0 0 0 0 0 0 15 6 42 91 96 100 100

Sooty Shearwater 25 80 100 100 100 100 100 100 100 100 100 100 100

Short-tailed Shearwater 75 60 67 40 13 0 8 6 10 9 36 63 65

Manx Shearwater 0 0 33 7 19 0 15 19 3 3 0 0 4

Fork-tailed Storm-Petrel 25 20 33 87 100 100 100 100 97 100 96 95 74

Leach’s Storm-Petrel 0 0 0 47 19 50 54 69 39 6 5 16 4

Red-necked Phalarope 0 0 0 67 100 33 92 100 97 100 96 68 26

Red Phalarope 13 20 0 27 50 17 31 38 77 78 52 58 35

Pomarine Jaeger 38 40 100 80 75 0 62 81 90 97 100 100 100

Parasitic Jaeger 0 0 0 13 81 17 31 38 61 78 84 79 70

Long-tailed Jaeger 0 0 0 20 25 0 0 19 68 84 73 37 9

South Polar Skua 0 0 0 0 0 50 39 44 61 63 77 84 91

California Gull 13 60 67 73 56 83 100 100 100 100 100 100 100

Herring Gull 100 100 100 93 69 17 16 0 3 16 27 47 91

Thayer’s Gull 100 80 67 27 6 0 0 0 0 0 5 0 35

Glaucous-winged and 100 100 100 100 100 100 100 100 100 100 100 100 100 Western Gulls

Black-legged Kittiwake 100 100 100 73 56 33 16 6 13 53 96 100 100

Sabine’s Gull 0 0 33 80 100 33 31 75 84 97 96 90 61

Common Tern 0 0 0 7 81 0 15 0 10 25 27 42 0

Arctic Tern 0 0 0 7 69 50 54 31 55 81 64 21 0

Common Murre 100 100 100 100 100 100 100 100 100 100 100 100 100

Pigeon Guillemot 13 20 67 100 100 100 100 100 100 100 77 47 57

Marbled Murrelet 88 80 100 53 56 83 31 44 29 6 11 26 48

Xantus’ Murrelet 0 0 0 0 0 0 8 13 10 13 7 16 4

Ancient Murrelet 88 80 67 27 25 17 0 6 0 3 2 5 0

Cassin’s Auklet 88 100 33 100 88 100 92 100 84 91 91 100 100

Rhinocerous Auklet 50 80 100 100 100 100 100 100 100 100 100 100 100

Tufted Puffin 0 20 0 93 57 50 54 75 78 50 30 16 30