7. Tijuana River Slough near Border Field is 900 acres of public 

 lands forming the best pure marine slough in the state. The channels 

 and mudflats support 173 species of birds, including the endangered brown 

 pelican, the least tern, the clapper rail, Beldings sparrow, and the 

 peregrine falcon Falco peregrinus anatum . Twenty-six species of fish 

 have been observed in the slough along with many invertebrates. 



Orange County 



1. Anaheim Bay , located seven miles north of Huntington Beach, 

 contains about 520 acres of marsh and mudflats. Surrounded by develop- 

 ment, it remains in near-pristine condition and supports large numbers 

 of migratory and resident birds including the endangered lightfooted 

 clapper rail, the least tern (breeding colony), and Beldings sparrow. 

 The bay also s-erves as a fish nursery and is the only spawning site 



of the cherry-stone clam, Mercenaria mercenaria .on the west coast. 



2. Bolsa Bay , 1,450 acres, is much closer to OCS-related develop- 

 ment at Huntington Beach (two miles) and has already been drastically 

 altered during the last century by oil-related operations. However, 

 there remains a great potential for restoring the bay's natural capacity 



1 Q 



and health, according to the Department of Fish and Game. 



3. Santa Ana River and Upper Newport Bay , located behind Hunting- 

 ton Beach State Park, is one of the important areas of marsh and 

 estuary lands indentified by the Department of Fish and Game as a 

 "critical wildlife area." It is a breeding ground for the endangered 

 clapper rail and home for 155 bird species and 61 fish species. 

 Development along the Santa Ana River would directly affect the 



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