between sites in response to changing physical sources of disturbance from which waterbirds 



conditions, and eliminates critical feeding and have no refuge. Clearly, the survival of 



roosting sites used by wintering birds. Tijuana Estuary's many rare species (Table 



Human encroachment on the estuarine 3.10) depends on protecting the integrity and 



environment introduces predators and other extent of coastal habitats. 



Table 3.10. Sensitive species of the wetlands at Tijuana Estuary. 



Species (and common name) Status 



Plants 



Cordylanthus maritimus ssp. maritimus (Salt marsh bird's beak) FE.SE 



Invertebrates 



Coelus globosus (Globose dune beetle) C2 



Panoquino panoquinoides (Salt marsh wandering skipper) C2 



Brennania belkini (Belkin's dune fly) C2 



Cicindela hirticolis gravida (Sandy beach tiger beetle) CSC 



C. latesignata latesignata (Sand dune tiger beetle) CSC 



C. trifasciata sigmoidia (Mudflat tiger beetle) CSC 



C. gabbi (Gabb's tiger beetle) CSC 



R e ptil e? 



Phrynosoma coronatum blainvillei (San Diego Horned Lizard) C2 



Anniella pulchra pulchra (Silvery legless lizard) CSC 



Birds 



Pelicanus occidentalis (California brown pelican) FE,SE 



Egretta rufescens (Reddish egret) C2 



Circus cyaneus (Northern harrier) CSC 



Aquila chrysaetos (Golden eagle) CSC 



Falco peregrinus anatum (American peregrine falcon) FE, SE 



Rallus longirostrus levipes (Light-footed clapper rail) FE 



Sterna antillarum browni (California least tern) FE,SE 



Charadrius alexandrinus nivosus (Western snowy plover) FPT, CSC 



Numenius americanus (Long-billed curlew) C2 



Vireo bellii pusillus (Least Bell's vireo) FE,SE 



Dendroica petechia brewsteri (Yellow warbler) CSC 



Icteria virens (Yellow-breasted chat) CSC 

 Ammodramus sandwichensis beldingi (Belding's Savannah sparrow) C2,SE 



A. s. rostratus (Large-billed Savannah sparrow) C2 



Kev to status 



FE = Federally endangered species FPT = Federally proposed threatened species. 



SE = State endangered species CSC = California species of special concern. 



C2 = Category 2 candidate species for listing. These are species for which existing 



information indicates they may warrant listing, but for which substantial biological 

 information to support a proposed rule is lacking. 



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