USFWS Pacific Southwest Region: Ocean view at the Tijuana river mouth in December
USFWS Pacific Southwest Region: Entrance to the beach on the Tijuana Slough NWR
USFWS Pacific Southwest Region: Male Western snowy plover (Charadrius alexandrinus nivosus)
USFWS Pacific Southwest Region: Tijuana Slough NWR & National Estuarine Research Reserve Visitor Center
USFWS Pacific Southwest Region: Front gate entrance to the beach and dune habitat on TJNWR
USFWS Pacific Southwest Region: Red sand verbena (Abronia maritima)
USFWS Pacific Southwest Region: San Diego State University Dr. Mike Simpson teaches his botany class how to identify dune species
USFWS Pacific Southwest Region: Beach evening primrose (Camissonia cheiranthifolia)
USFWS Pacific Southwest Region: Alkali-heath (Frankenia salina) in bloom
USFWS Pacific Southwest Region: Federally endangered Salt Marsh Birds Beak (Cordylanthus maritimus maritimus)
USFWS Pacific Southwest Region: California Cordgrass (Spartina foliosa)horizon
USFWS Pacific Southwest Region: Salt-Marsh Dodder (Cuscuta pacifica var. pacifica) growing on pickleweed
USFWS Pacific Southwest Region: Can you see the Clapper Rail eggs in the pickelweed?
USFWS Pacific Southwest Region: Searching for clapper rail nests
USFWS Pacific Southwest Region: Light-footed clapper rail (LFCR) nest and eggs
USFWS Pacific Southwest Region: Arrow grass (Triglochin maritimum)
USFWS Pacific Southwest Region: Refuge Manager Brian Collins takes a break from nest searching
USFWS Pacific Southwest Region: Fiddler crab exoskeleton shedding within the marsh
USFWS Pacific Southwest Region: Bird tracks in the marsh
USFWS Pacific Southwest Region: Matilija poppy (Romneya coulteri)
USFWS Pacific Southwest Region: Birding with binoculars takes practice!
USFWS Pacific Southwest Region: Yellow crowned night heron (Nyctanassa violacea) catching a crab
USFWS Pacific Southwest Region: "Where are we, guys?"
USFWS Pacific Southwest Region: Is this an "accumulator" or an "excretor"?
USFWS Pacific Southwest Region: Pickleweed in bloom!
USFWS Pacific Southwest Region: Discussing the differences in salt marsh plants
USFWS Pacific Southwest Region: Playing salt marsh plant bingo game
USFWS Pacific Southwest Region: Dipping scientific droppers into the marsh water for study
USFWS Pacific Southwest Region: It takes a partner to help find plankton!
USFWS Pacific Southwest Region: Looking for plankton