appendix b final 2008 biological surveys of los angeles and long ...

9.0 Birds
Table 9.4-1. Percent Composition by Guild and Most Numerous Species in Los Angeles and Long
Beach Harbors, December 2007 - November 2008.
Guild Percent Most Abundant Species % Total
Rank of
Ten Most
Abundant
Aerial Fish Foragers 17.5% Brown Pelican 9.6% 4
Elegant Tern 7.0% 7
other 1.0%
Gulls 34.4% Western Gull 24.6% 1
Heermann's Gull 7.3% 6
California Gull 1.2% 10
Other 1.4%
Large Shorebirds 0.6% (Black Oystercatcher most numerous) 0.6%
Raptors 0.1% (Osprey most numerous) 0.1%
Small Shorebirds 1.6% (Black-bellied Plover most numerous) 1.6%
Upland Birds 6.2% Rock Dove 5.1% 8
Other 1.1%
Waterfowl 38.5% Brandt's Cormorant 14.1% 2
Surf Scoter 11.2% 3
Western Grebe 8.0% 5
Double-crested Cormorant 3.5% 9
Other 1.6%
Wading/Marsh Birds 1.1% Great Blue Heron 0.8%
Other 0.3%
Total 100.0% Top Ten Ranked Species 91.6%
2008 Biological Surveys of Los Angeles and Long Beach Harbors 9–15
April 2010