SPECIAL-STATUS BIRD SPECIES
OF THE BALLONA WETLANDS
Prepared Nov. 2005 by
Daniel S. Cooper
Cooper Ecological Monitoring, Inc.
15 So.
Important note: The
following information is based on dozens of sources compiled by the author
since 2003, including the unpublished field notes of Kimball Garrett, Art
Pickus, Robert Shanman, and many others; the Los Angeles Audubon Society
newsletter “The Western Tanager”; the “Southern California” section of North
American Birds/Audubon Field Notes; historical publications (e.g. von Bloeker
1943); consulting reports (prepared by Keane Biological Consultants, among
others), and 3000+ combined field hours (since 2003) of a network of c. 10 birders
active in the Ballona Valley on a daily basis. The data herein have been
incorporated into a manuscript which was submitted for publication in a
scientific journal in 2005.A complete checklist of the Birds of the
F = Federally Endangered/Federally Threatened
S = State Endangered/State Threatened
FP = “Fully-protected” (see: http://www.dfg.ca.gov/hcpb/species/t_e_spp/fullypro/fully_pro.shtml)
I = Near-threatened (per BirdLife International’s Red Data Book)
Resident (summer,
winter or permanent)
Least Bittern C
1-2 pr. are resident, and may breed, at Ballona Freshwater Marsh
Up to 2500 roost on Playa del Rey jetties year-round
Redhead C
Small numbers (1-3) in winter at Ballona Freshwater Marsh [up to 9 in 2005-06]
Peregrine Falcon S, FP
1-2 birds fall, winter and spring
White-tailed Kite FP
Up to 5 as post-breeding visitors (June – Jan.)
Elegant Tern C,I
Several hundred birds roost on Ballona Wetlands (salt pan) or local beach in spring and early fall; one of the largest concentrations in the state
Up to 500 breeding birds at fenced colony on so. Venice Beach; forage in Ballona Cr., Ballona Lagoon, at Ballona Freshwater Marsh and at seasonal pools at Playa Vista (rarely in tidal channels)
Loggerhead Shrike C
2-5 birds in fall and winter; No breeding since mid-1990s
Up to 5 birds at Ballona Freshwater Marsh in winter
Belding’s Savannah Sparrow S
Well-surveyed; confined to saltmarsh, near tidal channels when breeding but more widespread in fall/winter
Large-billed Savannah Sparrow C
1-2 birds in fall and winter on jetties
Yellow-headed Blackbird C
Fairly common spring migrant (up to 300 birds); mainly at Ballona Freshwater Marsh
Occurring regularly (but in migration only)
Brant C (extirpated in winter)
1-2 per year
Northern Harrier C (extirpated in 1990s as a winter resident)
1-2 per year
Western Snowy Plover F,C [extirpated as a summer resident (1920s) and as a winter resident (1980s)]
10+ birds in migration and occ. in winter
Long-billed Curlew C
2-5 per year
Royal Tern C
Up to 20 per year
Burrowing Owl C
1-2 per year, mainly in fall/early winter
Vaux’ Swift C
Several hundred during spring and fall
Up to 3 per day in late spring and early fall
Dozens per day in late spring and fall
Yellow Warbler C
Dozens per day in late spring and fall
“Locally significant”
(though unprotected/non-sensitive)
species particularly dependent on Ballona in coastal
American Bittern
Several recent records from Ballona Freshwater Marsh
White-faced Ibis
Regular in fall at Ballona Freshwater Marsh (up to 20 birds)
Common Moorhen
1-2 present nearly year-round at Ballona Freshwater Marsh
Pacific Golden-Plover (extirpated 1980s)
1-2 formerly present in short grass and salt pan
Red Knot
1-2 per season; historically fairly common in migration
Wilson’s Phalarope
Irregularly fairly common in migration at Ballona Freshwater Marsh
California Quail (extirpated 1980s)
Formerly resident
Black-bellied Plover
Up to 800 birds roost during fall and winter on salt pan
Bonaparte’s Gull
Up to 3500 in winter, mainly along Ballona Cr.
American Pipit
Up to 100 birds on bare ground and short grass habitat
Western Meadowlark
Up to 20 may winter – no more than 3-5 pairs still breed, exclusively in salt marsh
Blue Grosbeak
1-2 pairs breed, edges of salt marsh
Not regularly occurring, but occasionally seen
American White Pelican C
Black Skimmer C
Marbled Murrelet S,F,I
Short-eared Owl C (formerly wintered; extirpated 1980s)
Horned Lark C (formerly year-round resident; extirpated 1970s)
Olive-sided Flycatcher C
Bank Swallow C
Yellow-breasted Chat C (formerly bred)
Light-footed Clapper Rail S,F,FP (two records since 1950s)
Black Tern C (four records since 1950s)
Either extirpated prior to 1900, or always scarce (not
enough information)
Bald Eagle S,F,FP
Fulvous Whistling-Duck C
Sandhill Crane C,S,FP
Mountain Plover C
Long-eared Owl C
Fork-tailed Storm-Petrel C
Ashy Storm-Petrel C,I
Black Storm-Petrel C
Harlequin Duck C
Swainson’s Hawk C
Ferruginous Hawk C
Prairie Falcon C
Craveri’s Murrelet I
Cassin’s Auklet C
Tufted Puffin C
Yellow-billed Cuckoo S
Vermilion Flycatcher C
Least
Purple Martin C
Lucy’s Warbler C
Summer Tanager C
Grasshopper Sparrow C
Tricolored Blackbird C
RELATIVE IMPORTANCE OF BALLONA
FOR REGULARLY-OCCURING,
SPECIAL-STATUS SPECIES
Very important; no
other habitat for miles around
American Bittern*
White-faced Ibis*
Brant
Redhead
Least Bittern
Light-footed Clapper Rail (extirpated)
Common Moorhen*
Northern Harrier
Pacific Golden-Plover* (recently extirpated)
Red Knot*
Wilson’s Phalarope*
Belding’s Savannah Sparrow
Yellow-headed Blackbird
Somewhat important; appropriate
habitat nearby (Baldwin Hills, area beaches), but significant concentration at
Ballona
Western Snowy Plover
Bonaparte’s Gull*
Elegant Tern
Loggerhead Shrike
Not particularly
important; widespread in region
Peregrine Falcon
Royal Tern
Vaux’ Swift
Willow Flycatcher (migrant)
Yellow Warbler (migrant)
WHAT HABITAT IS MOST IMPORTANT
FOR WHICH
SPECIES?
Note: See above for
seasonal status. Most species below occur only in migration and would not be considered present by regulatory
agencies.
Ballona Lagoon/Del
Rey Lagoon and lower Ballona Creek Channel
Brant
Black-bellied Plover*
Long-billed Curlew
Red Knot*
Bonaparte’s Gull*
Burrowing Owl (channel levees only)
Ballona Freshwater
Marsh
American Bittern*
Least Bittern
White-faced Ibis*
Redhead
Peregrine Falcon
White-tailed Kite*
Northern Harrier
Wilson’s Phalarope*
American Pipit*
Yellow Warbler
Belding’s Savannah Sparrow
Western Meadowlark
Yellow-headed Blackbird
Playa del Rey/southern
Western Snowy Plover
Elegant Tern
Royal Tern
Ballona Wetlands
saltmarsh (dry and wet)/salt pan
Peregrine Falcon
White-tailed Kite
Northern Harrier
Light-footed Clapper Rail (extirpated)
Pacific Golden-Plover* (extirpated)
Black-bellied Plover*
Long-billed Curlew
Elegant Tern
Burrowing Owl
Loggerhead Shrike
American Pipit*
Belding’s Savannah Sparrow
Western Meadowlark*
Dune Willows (and other riparian thickets and scrubland, including Westchester Bluffs)
California Quail* (recently extirpated)
Yellow Warbler
Blue Grosbeak*
Jetties/Breakwater
Large-billed Savannah Sparrow
* “Locally
significant”; unprotected/non-sensitive
species particularly dependent on Ballona habitats in coastal
Images of selected sensitive Ballona bird species. Elegant Tern, Least Bittern, Burrowing Owl, Yellow-headed Blackbird, White-faced Ibis




