The San Dieguito River Valley Regional Open Space Park Joint Powers Authority, also known as the San Dieguito River Park, is the agency responsible for creating a greenway and natural open space park in the San Dieguito River Valley. The vision of the River Park is to preserve and interpret the natural and cultural resources of the river valley from the river’s source at Volcan Mountain, north of Julian, to the Pacific Ocean in Del Mar.
The San Dieguito River Valley is rich in all sorts of natural wonders through our Nature Notebook. Learn more about specific resources by exploring the categories below. Be sure to check the Events Calendar to see what upcoming opportunities you have to learn more about these natural resources from experts in the field!
Latest Posts from the Nature Notebook
Despite the sauna-like conditions, we still managed to tally 101 species, including one new species, Semipalmated Sandpiper in Area 3, bringing our cumulative total to 263. Great job, everyone! The featured bird this month is the Semipalmated Plover taken by Ranger Dave near the Grand Avenue Bridge area. Click here for the PDF document with results… Read More » Species of note included a new one, Lesser Nighthawk in area 1. This brings the overall cumulative total to 261. In addition, we observed a Black-chinned Hummingbird in Area 1; as well as at least 1 Tricolored Blackbird, and two American Robins in Area 2, species we don’t see that often. The Neotropic Cormorant seen… Read More » The summer doldrums are just about here, but we still managed to find 90 species this month, keeping the overall cumulative total at 260 with no new species. Interesting observations included Least Terns in several areas, including confirmed nests in Area 3. In addition, we had American Goldfinches feeding young in Area 2. Other interesting… Read More » Happy Mother’s Day to all the mom’s out there! We had lots of baby birds on this May count to help us celebrate. We tallied 121 species, and two new species in Area 4, bringing our cumulative total to 260. New species included a Swinhoe’s White-eye seen by Sue Smith and a Calliope Hummingbird found… Read More » Although the King Tide made it challenging for shorebirds, we had a great count this month with a number of rarities present, for a total of 119 species seen. We had 2 new species, Greater Scaup in Area 2 and Golden-crowned Kinglet in Area 5, bringing our cumulative total to 257 species. In addition, Area… Read More »
Spetember 2022 San Dieguito Lagoon Bird Survey Results
August 2022 San Dieguito Lagoon Bird Survey Results
June 2022 San Dieguito Lagoon Bird Survey Results
May 2022 San Dieguito Lagoon Bird Survey Results
December 2021 San Dieguito Lagoon Bird Survey Results
