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
The San Dieguito Monthly Bird Count identified 107 species in October. No new bird species were seen, so the cumulative species total remains at 242. Click here for the PDF document with the detailed monthly results through October 2018. The featured image of a female and male California Quail was taken at the San Dieguito… Read More » The San Dieguito Monthly Bird Count identified 92 species in September. This includes 4 new bird species for the count- Black-chinned Hummingbird, Ruddy Turnstone, Black Turnstone, and Purple Martin- which brings the cumulative species total up to 242! Click here for the PDF document with the detailed monthly results through September 2018. While this is… Read More » The Cactus wren (Campylorhynchus brunneicapillus) has a white eye stripe just behind each eye extending to just before its upper back. Its throat and breast are heavily spotted dark brown and black, and its wings and tail are barred with black, white and brown feathers. Its overall appearance is a creamy colored brown bird with… Read More » The San Dieguito Monthly Bird Count identified 95 species in August. No new bird species were seen, so the cumulative species total remains at 238. Click here for the PDF document with the detailed monthly results through August 2018. Bird count leader Jayne Lesley reported, “Though it is very dry and quiet, and bird numbers… Read More » The red-tailed hawk occupies a wide range of habitats and altitudes including deserts, grasslands, coniferous and deciduous forests, agricultural fields, and urban areas. This is the most widespread and familiar large hawk in North America, bulky and broad-winged, designed for effortless soaring. An inhabitant of open country, it is commonly seen perched on roadside poles… Read More »
October 2018 San Dieguito Lagoon Bird Survey Results
September 2018 San Dieguito Lagoon Bird Survey Results – 4 NEW SPECIES!
Bird of the Month: Cactus Wren
August 2018 San Dieguito Lagoon Bird Survey Results
Bird of the Month: Red-tailed Hawk
