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BIRDS OF THE SEPULVEDA BASIN WILDLIFE RESERVE

Sepulveda Basin Wildlife Reserve Bird Checklist
click here to view 112kb .pdf file
 
 
One hundred years ago, the San Fernando Valley was a wide open plain, dotted with farms and crisscrossed by the Los Angeles River and its tributary creeks. The Valley’s wetlands provided a haven for millions of birds traveling between breeding grounds in Mexico and Central America. Today the Valley is home to more than two million people, and most sections of the once-wild river have been enclosed in cement walls. But the Sepulveda Basin Wildlife Reserve still provides important habitat – home, food and shelter – for a variety of birds.
 
     
 


above, flocks of white pelicans feel secure on the island in the Wildlife Lake.

 
     
 
The Wildlife Reserve is land that the City of Los Angeles has set aside for the protection of native animals and plants. This 225-acre refuge includes the Wildlife Lake, large open areas, a small pond and a flowing creek. Canada geese graze in nearby fields, long-billed shorebirds probe for tiny animals in the mud along the edge of the water, and birds of prey hunt for rodents, reptiles and small birds in the grassy uplands.
 
     
 
More than two hundred species of birds have been seen at the Wildlife Reserve.
 
     
 
The Public Recreational Use Plan for the Sepulveda Basin Wildlife Area (1987) calls for the City Recreation and Parks Department and the U.S. Army Corps of Engineers, in cooperation with the California Department of Fish and Game, to “seek to establish at least 60 acres of additional permanent foraging sites … within the Sepulveda Basin for the purpose of maintaining Canada goose historic wintering populations.”
 
     
 

above, cartoon by Willis Simms.
 
     
 

above, Canada geese foraging in the area where CalTrans has proposed putting freeway on- and off-ramps.
 
     
 
In addition to providing secure foraging grounds for migrating Canada and other geese, the South Reserve is known to support the Federally-listed least Bell’s vireo, a neotropical songbird which breeds in southern California’s riparian areas. Click HERE for link to YouTube video to hear the vireos.
Another uncommon bird in southern California that breeds in the Wildlife Reserve is the blue grosbeak (image below).
 
     
 

above, male blue grosbeak in vegetation along Haskell Creek.
 
     
 
There are many birding opportunities in the Wildlife Reserve because there are different habitats and plant communities that attract different birds – not to mention all the water! With plenty of parking, easy (wheel-chair accessible) access, level walking and good vistas, visiting at any time of year can be very rewarding.
 
     
 

above, osprey on platform east of Wildlife Lake.
 
     
 

 
     
 
“Birds of the Sepulveda Basin Wildlife Area” by Daniel Kahane, Melanie Ingalls,
Sylvia Gallager, Kimball Garrett, Ada and Frank Graham.
Illustrations by Jonathan Alderfer.
click here to view 12.59mb .pdf file
 
     
 
HISTORIC NOTE
By Dan Cooper
 
     
 

A History of the Cooper Ornithological Club, written in 1929 by Harry Swarth (who owned a big ranch in current-day mid-Wilshire, L.A. )is pretty interesting. It had some great photos and descriptions of pre-railroad/aquaduct San Fernando Valley , which was apparently a favorite collecting area of Daggett, Howard, Grinnell, and the rest of the early SoCal collectors. Apparently, Tujunga Wash dominated the valley with broad alluvial bands running south to the willow and cottonwood groves along the river at the northern base of the Santa Monica Mountains . Lots of dry-land wheat fields. Present-day Big Tujunga Wash (in the vicinity of Foothill Blvd. above Hansen Dam) probably approximates it fairly well, and is essentially the last remnant. Also mentioned are vagrant Sage Thrasher and Lark Bunting, "classic" rare visitors to San Jacinto Valley , which is probably the best representation left of the habitat (including the dry-land grain fields!). Also mentioned are Burrowing Owls, Vesper Sparrows , and "Black-tailed" Calif. Gnatcatchers.


BIRD MIGRATIONS IN THE SEPULVEDA BASIN
by Kris Ohlenkamp


There are some birds that migrate through in the fall and spring enroute to other areas (warblers, flycatchers, shorebirds, swallows, etc.). There are also many more who migrate from Alaska, Canada, the Sierra Nevada, and the Great Basin to spend their winter here - in a more appealing climate (ducks, shorebirds, hawks, sparrows, etc.).And then, there are those who migrate here from Central America during the summer to breed (hummingbirds, kingbirds, orioles, grosbeaks, etc.).

So, there are migrating birds here all year long! The spectacle is going on - here - all the time. Perhaps not as amazing as the masses of warblers and other migrants on the Gulf Coast or shores of Lake Erie, but that only lasts for a month. Our climate and vegetation nurtures birds from other parts of the Americas every day of the year.

To recap: shorebirds are come through in later summer; warblers, vireos, and flycatchers migrate through in September and October; ducks, hawks, and sparrows begin arriving in November; and the summer breeders are beginning to leave by mid-August.

 
     
 
 
   
   
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