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San Dieguito River Park

San Dieguito River Park

Preserving and interpreting the natural and cultural resources of the San Dieguito River Valley

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August 2022 San Dieguito Lagoon Bird Survey Results

Home - Bird Survey Results - August 2022 San Dieguito Lagoon Bird Survey Results

August 16, 2022
Posted by: David Hekel

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 back in July has morphed into what appears to be a Double-crested Cormorant/Neotropic Cormorant hybrid, or possibly just an odd looking Double-crested Cormorant, so it is listed on our August report simply as Cormorant sp. We do not know if this is the same bird originally identified as a Neotropic in earlier months or is a different bird entirely, but based on plumage observed on this count, the experts felt it could not be confirmed as a Neotropic for August.

Least tern nesting islands are maintained and protected by the 22nd District Agricultural Association, but it’s taken several years for least terns to discover and accept the sites as worthy! This past season has been the most active yet with nesting consisted of 23 nests established on NS12 and 5 nests established on NS11, totaling twenty-eight nests. No nests remain incubated as the last two were abandoned as migration began. Two fledglings were produced on site NS11 and fifteen were produced on NS12. Up to seven fledglings remain on NS12 or foraging in the area.

PDF document (opens in new window) with results for the August 2022 count.

PDF document (opens in new window) with the detailed monthly results through August 2022.

More Information & How to Volunteer for Bird Counts


Category: Bird Survey Results
Tag: bird surveys, Black-chinned Hummingbird, Blackbird, Cormorant, Lagoon Birds, Lesser Nighthawk, Robins


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