Walk for a few minutes south down Seacoast Drive from Imperial Beach Boulevard and you will come to the Tijuana Slough National Wildlife Refuge Viewing Station.
Near a pair of benches, two free scopes allow curious people to view the wide green Tijuana River Estuary and search for birds. Four information signs help describe what is seen.
I took photos of the signs, but glare from the bright sun can make them difficult to read. I altered the contrast quite a bit.
The first sign explains that Tijuana Slough National Wildlife Refuge is the largest remaining coastal wetland in Southern California.
The Tijuana River touches the lands and lives of people of three nations: the Kumeyaay Indian Nation, United States, and Mexico. Starting in the mountains of Baja California, the river crosses the international border just four miles from here before emptying into the Pacific Ocean…
In 1903, President Theodore Roosevelt established the first wildlife refuge in Florida. Today there are more than 560 refuges… Tijuana Slough shares the mission of all refuges: to conserve wildlife, restore habitat, and protect threatened and endangered species for the benefit of present and future generations.
More than 370 species of birds frequent this area, including six threatened or endangered species, four of which can be seen from this spot. High diversity means healthy habitat, where many species find food and a safe place to rest or nest.
The landscape in front of you might appear flat and quiet, but there is more than meets the eye. Between the beach behind you and the bluffs at the southern end of this reserve, inches of elevation and slight changes in water level and chemistry create many different habitats–each specially suited to a surprising diversity of plants and animals. From the elusive long-tailed weasel hunting rodents to the tiny pygmy blue butterfly perching on pickleweed, fascinating creatures are everywhere.
This place has a pulse, and just like you, it depends on healthy circulation. At high tide, oxygen-rich ocean water pumps into the marsh, while the ebb of water at low tide carries sediment out to sea…
Scientists constantly monitor the marsh’s vital signs. Data loggers, placed around the estuary, record and transmit temperature, oxygen level, water level, and more…
The Tijuana River National Estuarine Research Reserve, one of 29 and counting, was established by the National Oceanic and Atmospheric Administration to study how human activities and natural events affect estuarine habitats in the United States. People that work at the reserve include staff from the U.S. Fish and Wildlife Service, California State Parks, City and County of San Diego, the U.S. Navy, and the Southwest Wetlands Interpretive Associates.
An old plaque is embedded in a nearby rock…
Tijuana Estuary Restoration Project
1.25 Acres
Dedicated March 24, 1999
Trying to put this plaque in context, I found this website.
Peer through one of the scopes and you might see a yellow-crowned night heron!
(At least, I believe that’s the species. I framed the nearby bird with my camera.)
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