PAS Field Trip Report: San Elijo Lagoon

On Saturday, May 10, 2025, a group of 27 enthusiastic birders from the Palomar Audubon Society gathered for a morning bird walk at the San Elijo Lagoon Ecological Reserve. The day began with cool temperatures and a partly overcast sky, providing comfortable conditions for birding.

San Elijo Lagoon is renowned for its diverse habitats, including salt marshes, mudflats, and coastal sage scrub. These environments support over 300 bird species throughout the year. However, at the time of our visit, the lagoon’s mouth was blocked by sand, so the birdlife was not as prolific as it has been in previous visits.

Among today’s notable sightings were several Red-necked Phalaropes, spinning on the water’s surface as they foraged. American Avocets, with their striking black-and-white plumage and upturned bills, were observed wading through the shallows. A Yellow-crowned Night-Heron made a brief but memorable flyover, and an Olive-sided Flycatcher perched prominently. Additionally, Least Terns were spotted on the sand bars, and numerous Brown Pelicans glided above the lagoon.

A highlight for many participants was obtaining wonderful views of the vibrant Common Yellowthroat, its bright yellow throat and black mask making it a standout among the foliage.  Overall, the bird walk was a delightful experience, offering both seasoned birders and newcomers a chance to appreciate the rich avian diversity of San Elijo Lagoon.

A big thank you to the contributing photographers in the group, and to Christina Kidd for keeping the eBird list for us!  We appreciate you!

Check out our list and photos from our brilliant photographers here: https://ebird.org/checklist/S236060340

Hal Benham, Trip Leader

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