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Bird Articles from the Science Press
Here’s another collection of interesting tidbits.
http://www.sciencenews.org/view/generic/id/61677/title/For_ducks%2C_penis_length_depends_on_the_other_guys
Male genitals grow longer with more competition from other males.
From Science News Online 8/28/10.
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Bullied booby chicks end up OK
http://www.sciencenews.org/view/generic/id/61777/title/Bullied_booby_chicks_end_up_OK
In a seabird nest, abuse by older siblings doesn’t hamper fitness.
From Science News Online 8/3/10.
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Robins reject red glowing grub
http://www.sciencenews.org/view/generic/id/68343/title/Robins_reject_red_glowing_grub
Parasitic worms induce a color change in their caterpillar victims that’s literally repulsive to predators. From Science News Online 1/3/11.
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Arkansas birds died of trauma
http://www.sciencenews.org/view/generic/id/68363/title/Arkansas_birds_died_of_trauma
Necropsies suggest loud noises caused panic, killing thousands.
From Science News Online 1/3/11.
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Quantum compass for birds
http://www.sciencenews.org/view/generic/id/68484/title/Quantum_compass_for_birds
Robins may use strange physics to migrate.
From Science News Online 1/7/11.
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Penguins tracking bands hurt the birds
http://news.yahoo.com/s/ap/20110112/ap_on_sc/us_sci_penguin_harm
Metal bands on the flippers slow them down, make them work harder, and increases mortality. From Yahoo News 1/12/11.
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One of the difficulties of birding has to do with the problems and vagaries of lighting, shading, whether you’re looking into or away from the sun. In short, light and vision. Our vision and nervous systems do not so much perceive the world as modelthe world. Our brain developed it’s method of modeling over millions of years as the result of our peculiar evolutionary history. It works adequately most of the time, but can be misled under certain circumstances. When such events are visual, we call them “optical illusions”.From an interesting discussion on BirdChat titled “It’s hard to notice when moving objects change“, here’s an interesting experiment from Harvard which you can do at home, right now. http://visionlab.harvard.edu/silencing/
And here’s a similar example of the illusions of our color vision, from David Sibley’s website. http://www.sibleyguides.com/2010/05/color-illusion-and-thrush-identification/
And finally, here’s some interesting comments from Consumers Reports Greener Choices website on “Winter Heating Myths“, something which everyone here in the frigid climes of Southern California needs to fret about.
http://www.greenerchoices.org/products.cfm?product=1210energymyths&pcat=homegarden&EXTKEY=NG0N01012 [Chuck Almdale]
Field Trip Report: Antelope Valley, 8 January, 2011
We exited Hwy 14 at on Ave. P (Palmdale Blvd/Rt. 138) and went east. After a brief stop (where we tried hard to ignore some Rock Doves, Starlings, Brewer’s Blackbirds & House Sparrows), we drove east on Ave. P and turned north onto 10th St. E. We made several brief stops along the road where we found:
American Kestrel — 1
Eurasian Collared-Doves — 4
Loggerhead Shrike — 1
About 1 block south of Blackbird Lane, we parked and birded along the road before walking into the mixed Joshua Tree and shrub habitat. There seemed to be Cactus Wrens everywhere. They were displaying, singing, and perching in full view. Although the area has been described as a good site for Le Conte’s Thrashers, we neither heard nor saw any Le Conte’s. However, in addition to at least 8 Cactus Wrens, we found:
Anna’s Hummingbirds – 2
Say’s Phoebes – 2
Northern Mockingbird – 1
Mountain Bluebirds – 6
White-crowned Sparrows — 6
House Finches – a few
We returned to Palmdale Blvd. and drove east to the Desert Aire Golf Course. A scan of the trees and surrounding area produced only a single Northern Flicker. From the Country Club, we drove north along the short section of 40th St. E, which turns right and becomes Ave. N. In this area, we saw:
Say’s Phoebe
Loggerhead Shrike
Horned Larks – flock of 30 or more
We turned left and drove north on 50th St. E and as we drove, we saw:
Ravens – the first few of many seen during the day
Horned Larks – small flock
Brewer’s Blackbirds– flock
We stopped at the side of 50th St. E just south of Ave. L, to scan the fields in hopes of finding Mountain Plovers. Unfortunately, the only plovers we could see were Killdeer. At that site, we saw:
Killdeer – 75+
Northern Harrier — 1
European Starlings
Yellow-rumped Warblers — 12
Savannah Sparrows — 6
When we reached Ave. K we turned left and drove west a short distance to check the farm fields on either side of the road. The newly-harrowed field on the south side of the road was not productive but a large mulch dump on the north side of the road produced:
American Pipits – 15
Yellow-rumped Warblers – 4
We returned to 50th St. E and went north to Ave K. We went east on Ave. K for about 1 mile and stopped at Little Rock Wash where we parked and walked south along the east side of the wash. We did not go down into the wash, preferring instead to remain above it where we could look down into it. We walked less than ¼ mi. and stopped where the wash curves east and looked down into the wash where we spotted a pair of Le Conte’s Thrashers that had been singing. After we all had scope views, we walked back to our cars. In addition to the thrashers, we saw:
Red-tailed Hawk
American Kestrel
Sage Sparrows – a few
From there, we continued east on Ave. K and turned north on 70th St. E. As we went north, we saw a flock of Western Meadowlarks one of the fields we passed.
At Ave. J, we turned east. As we drove, we saw:
Red-tailed Hawks – 8 or more
Northern Harrier – 1
Horned Larks – several flocks, est. 500+ birds
Savannah Sparrows – 20 or so
We continued east on Ave. J until we crossed 110th St. E. The farmland on the north side of the road just past this intersection is the area where we have found wintering Ferruginous Hawks in previous years. Although we were disappointed at first, we finally spotted 2 light morph birds in the farm fields on the north side of Ave. J. A few moments later, we had good looks at a dark morph juvenile as it flew toward us from the south. It flew over the road near us and continued north. As in past years, there were Mountain Plover in the field. We were, however, limited to scope views of the flock of 40+ birds because they were in the northern part of the field. Unfortunately, we were not able to view those fields from the north because 110th St. E was closed to traffic between Aves. J & I for road repairs. Since Saddleback Butte State Park is close by, we decided to have lunch in the park. As we drove east along Ave. J toward the park, we saw:
Horned Larks – 500+ birds
European Starlings
After lunch, we made our way to the west side of the valley, crossing over Hwy. 14 on Ave. E. There were large numbers of Horned Larks (300+) along Ave. E.
In a farm field near the corner of Ave. B & 60th St. W we found:
Canada Geese — 6
Tundra Swans — 2
Killdeer – 50
In the same area, we spotted a Ferruginous Hawk. As we were getting into our cars to drive on, we spotted an immature Golden Eagle in flight. This proved to be the only eagle we saw all day.
From there, we headed north and turned left onto Gaskell Ave. and drove west. In past years, Gaskell Ave. has been a good area for raptors so it was disappointing to see neither additional eagles nor any falcons. However, as we drove west, we did find:
Red-tailed Hawks – several, including 1 dark morph bird
American Pipits –100+
Western Meadowlarks – 12
Horned Larks – 100+
Mountain Bluebirds – 12 (beautifully illuminated by the afternoon light)
We stopped along Gaskell near 130th St. W when we noticed several Ferruginous Hawks. As we scoped the area, we counted 6 or 7 birds in a single farm field, prompting a discussion of the habits of Ferruginous Hawks. Some time later, I checked the species account in Raptors of Western North America, B. K. Wheeler, 2003, Princeton U. According to Wheeler, Ferruginous Hawks are wary during the breeding season and pairs are solitary but at other times of year, these birds are relatively tame and somewhat gregarious. They nest in trees in open country but will build nests on boulders or rock piles in areas that lack trees. If disturbed, they often abandon their nests. According to Wheeler, although Ferruginous Hawks perch on the ground as well as various natural and man-made objects, they never perch on wires such as power lines. They hunt on the wing and from perches. When perched on the ground, they grab prey such as rodents that emerge from their burrows or tunnels. They are opportunistic hunters, preying on a variety of mammals, birds, reptiles and large insects such as Lubber Grasshoppers. The large gape is presumed to help prevent overheating, especially in juveniles that spend long hours in hot areas with little shade.
When we left Gaskell Road, we drove south to Lancaster Rd. and started west. The Poppy Preserve was closed but we turned off on a dirt road south of 190th St. W and drove to the top of the rise. A brief scan for raptors was not productive so we returned to Lancaster Rd. and drove to Quail Lake. During the drive, we saw another Northern Harrier.
It was late in the day, the wind had increased and viewing conditions were not ideal at Quail Lake but we did see the following:
Aechmophorus grebes – a few in the distance
Greater Scaup — 1
Lesser Scaup — several
Bufflehead — several
Common Goldeneye – 1
Common Merganser – 3 or 4
After a short time, we drove west to I-5 and returned to Los Angeles. The trip list shown is shown below. [I]- Introduced. [Chuck Almdale]
| Antelope Valley Trip List | January 8, 2011 |
| Canada Goose | Branta canadensis |
| Tundra Swan | Cygnus columbianus |
| Gadwall | Anas strepera |
| American Wigeon | Anas americana |
| Mallard | Anas platyrhynchos |
| Northern Shoveler | Anas clypeata |
| Green-winged Teal | Anas crecca |
| Greater Scaup | Aythya marila |
| Lesser Scaup | Aythya affinis |
| Bufflehead | Bucephala albeola |
| Common Goldeneye | Bucephala clangula |
| Common Merganser | Mergus merganser |
| Ruddy Duck | Oxyura jamaicensis |
| Pied-billed Grebe | Podilymbus podiceps |
| Eared Grebe | Podiceps nigricollis |
| Western Grebe | Aechmophorus occidentalis |
| Double-crested Cormorant | Phalacrocorax auritus |
| Great Blue Heron | Ardea herodias |
| Great Egret | Ardea alba |
| Turkey Vulture | Cathartes aura |
| Northern Harrier | Circus cyaneus |
| Cooper’s Hawk | Accipiter cooperii |
| Red-shouldered Hawk | Buteo lineatus |
| Red-tailed Hawk | Buteo jamaicensis |
| Ferruginous Hawk | Buteo regalis |
| Golden Eagle | Aquila chrysaetos |
| American Kestrel | Falco sparverius |
| American Coot | Fulica americana |
| Killdeer | Charadrius vociferus |
| Mountain Plover | Charadrius montanus |
| Ring-billed Gull | Larus delawarensis |
| California Gull | Larus californicus |
| Rock Pigeon [I] | Columba livia |
| Eurasian Collared-Dove [I] | Streptopelia decaocto |
| Mourning Dove | Zenaida macroura |
| Anna’s Hummingbird | Calypte anna |
| Allen’s Hummingbird | Selasphorus sasin |
| Downy Woodpecker | Picoides pubescens |
| Northern Flicker | Colaptes auratus |
| Black Phoebe | Sayornis nigricans |
| Say’s Phoebe | Sayornis saya |
| Cassin’s Kingbird | Tyrannus vociferans |
| Loggerhead Shrike | Lanius ludovicianus |
| Western Scrub-Jay | Aphelocoma californica |
| Common Raven | Corvus corax |
| Horned Lark | Eremophila alpestris |
| Cactus Wren | Campylorhynchus brunneicapillus |
| Bewick’s Wren | Thryomanes bewickii |
| Ruby-crowned Kinglet | Regulus calendula |
| Mountain Bluebird | Sialia currucoides |
| Northern Mockingbird | Mimus polyglottos |
| Le Conte’s Thrasher | Toxostoma lecontei |
| European Starling [I] | Sturnus vulgaris |
| American Pipit | Anthus rubescens |
| Yellow-rumped Warbler | Dendroica coronata |
| California Towhee | Melozone crissalis |
| Lark Sparrow | Chondestes grammacus |
| Sage Sparrow | Amphispiza belli |
| Savannah Sparrow | Passerculus sandwichensis |
| White-crowned Sparrow | Zonotrichia leucophrys |
| Red-winged Blackbird | Agelaius phoeniceus |
| Western Meadowlark | Sturnella neglecta |
| Brewer’s Blackbird | Euphagus cyanocephalus |
| House Finch | Carpodacus mexicanus |
| Lesser Goldfinch | Spinus psaltria |
| American Goldfinch | Spinus tristis |
| House Sparrow [I] | Passer domesticus |
| Total Species | 67 |
Field Class in Bird Identification
[Note: We have taught this class annually for the past five years. It will likely be offered again in February 2012. Watch for the announcement in late fall or early winter.]
This spring, SMBAS will offer a five-session field course in bird identification.The course is designed to help new or novice birders improve their observational skills while learning how to identify some of the species commonly found in the Los Angeles basin.
Beginning in February, 2011, the Saturday morning classes take place outside among the birds. Each class meets in a different local park or natural area so that participants may gain experience with the relationship between habitats and the species that rely on them.
Enrollment is limited to 8. A donation of $50 per SMBAS member or $75 per non-member will be requested. For further information, please contact Chuck at webinfo49 [AT] att.net or 310-617-8904. [Chuck Almdale]
The deluge of rain broke for a few days (6” in 3 days at our house) and we found sunny skies at the lagoon. As expected, the lagoon was largely dry. I was surprised to find the outlet channel at the east end of the lagoon; usually the rain-filled creek blows straight through the beach, taking the sand with it. Instead, the beach was relatively intact, although obviously much water had washed over it and out to sea. The largest tree between the parking lot and the north channel has fallen. Salt water intrusion into the soil (since the park stopped watering the lawn) probably killed it and recent high winds blew it down.
In case anyone reading this has never visited the lagoon, the coastline runs east-west in Malibu. Thus the lagoon is south of the highway, with the beach and the ocean farther southward. Here’s an aerial photo. There are three channels in the green area left of the lagoon: the northernmost, nearest the parking lot, is so reed-filled in the photo that you can’t see any water. We reach the beach via the narrow brown path. If you look closely at the Malibu Colony houses in the lower left, you might find a Hollywood star reading a script (then again, probably not) or spot a Western Roof-Owl (more likely).
Gulls. Whew! Over 4000 gulls, most of them California, but also Ring-billed, Western, a handful of Heermann’s, even fewer Glaucous-winged, and 1 each of Boneparte’s and Herring to round out the lot. Plovers and shorebirds were down from November, but ducks were up, especially Ruddy Ducks, with 51 of them slowly drifting around on the north side of the highway bridge. A lone male Cinnamon Teal was in the 3rd (southernmost) channel. Cinnamon’s used to be quite common in the lagoon. For example, they averaged 25 in number during four visits in Feb-Apr 1981, 29 years ago!. It’s been over 20 years since they’ve numbered in the double digits.
Pelicans, herons & egrets, sandpipers and plover numbers all dropped. Our Snowy Plover population was 46 (down from November’s 58). Incidentally, last September’s count of 62 Snowies was an all-time high for the lagoon. Last month’s AY:AA (A=aqua, Y=Yellow) was joined by fellow bandee NO:WW (left: tan over orange, right: white over white). NO:WW was at the lagoon Oct ’09 – Jan ’10. I guess he (or she) liked it and came back. This bird was banded as a nestling in Summer ‘09 at Vandenberg Air Force Base west of Santa Barbara. (In case you didn’t know, our coastal military bases are excellent breeding habitats for our endangered Least Terns and threatened Snowy Plovers, as they keep out pesky human foot traffic and condo developers.)
We found only two Soras, both in the 1st channel reed beds. A Virginia Rail was in the same patch of reeds where we found it last month, so it’s probably the same individual. A Sora got quite miffed by the Virginia and hotly pursued it. It was odd to see the smaller Sora chase off the
larger bird. Raptors were more numerous: a pair of Red-tailed Hawks soared high overhead, while two Osprey took turns kiting over the lagoon, looking for a fish (big & juicy mullet preferred). Several times the gulls startled into flight by the Peregrine Falcon zooming past their heads, but we didn’t see it catch anything. A Red-shouldered Hawk snoozed in the cypresses near the golf course. A small flock of White-crowned Sparrows gleaned the brush not far from the parking lot. Even the hummingbirds were out and about, so I guess it wasn’t all that cold.
Check out our previous blog created especially for Unusual Birds at Malibu Lagoon, the permanent location for pictures of our uncommon birds. For prior period bird lists, follow these links to Jan-Jun‘10, Jul-Dec‘09, and Jan-June‘09. Trip lists for July – Dec. 2010 follow. [Note: we have little control over how this list appears in your email, so if you can’t make heads or tails of it, check the blogsite.] [Chuck Almdale]
| Malibu Census 2010 | 25-Jul | 22-Aug | 26-Sep | 24-Oct | 28-Nov | 26-Dec |
| Temperature | 60-67 | 68-75 | 70-79 | 60-65 | 55-65 | 50-62 |
| Tide Height | 4.05 | +4.32 | +5.54 | +6.02 | +2.59 | +2.13 |
| Low/High & Time | H:1036 | H:0933 | H:1055 | H:0952 | L:0842 | L:0649 |
| Brant | 6 | 5 | 5 | |||
| Gadwall | 20 | 2 | 6 | 16 | ||
| American Wigeon | 1 | 1 | 14 | 8 | ||
| Mallard | 49 | 55 | 48 | 10 | 18 | 29 |
| Cinnamon Teal | 1 | |||||
| Northern Shoveler | 4 | 8 | 10 | 18 | ||
| Northern Pintail | 6 | |||||
| Green-winged Teal | 7 | 17 | ||||
| Lesser Scaup | 1 | |||||
| Surf Scoter | 15 | 10 | ||||
| Bufflehead | 6 | 6 | ||||
| Red-brstd Merganser | 5 | 3 | ||||
| Ruddy Duck | 3 | 5 | 15 | 7 | 26 | 51 |
| Pacific Loon | 1 | 5 | ||||
| Common Loon | 1 | 1 | ||||
| Pied-billed Grebe | 5 | 9 | 18 | 3 | 2 | 4 |
| Horned Grebe | 1 | |||||
| Eared Grebe | 2 | 5 | 6 | 2 | ||
| Western Grebe | 4 | 6 | 16 | 35 | ||
| Brown Pelican | 187 | 163 | 46 | 40 | 40 | 13 |
| Dble-crstd Cormorant | 20 | 30 | 38 | 15 | 37 | 47 |
| Pelagic Cormorant | 1 | 1 | ||||
| Great Blue Heron | 6 | 6 | 5 | 3 | 7 | 1 |
| Great Egret | 4 | 4 | 6 | 2 | 4 | 3 |
| Snowy Egret | 14 | 19 | 14 | 2 | 31 | 16 |
| Green Heron | 1 | 1 | 1 | |||
| Blk-crwnd N-Heron | 4 | 7 | 10 | 6 | 8 | 6 |
| Osprey | 1 | 1 | 2 | |||
| Cooper’s Hawk | 1 | |||||
| Red-shouldered Hawk | 1 | |||||
| Red-tailed Hawk | 1 | 1 | 2 | |||
| American Kestrel | 1 | 1 | ||||
| Merlin | 1 | |||||
| Peregrine Falcon | 1 | |||||
| Sora | 1 | 1 | 1 | 7 | 3 | |
| Virginia Rail | 1 | 1 | ||||
| American Coot | 15 | 28 | 230 | 100 | 206 | 237 |
| Blk-bellied Plover | 55 | 78 | 100 | 110 | 44 | |
| Snowy Plover | 26 | 44 | 62 | 58 | 46 | |
| Semipalmated Plover | 6 | 11 | ||||
| Killdeer | 3 | 3 | 1 | 5 | 3 | |
| American Avocet | 5 | |||||
| Willet | 7 | 10 | 56 | 26 | 2 | 8 |
| Spotted Sandpiper | 1 | 2 | 3 | 2 | 3 | |
| Whimbrel | 48 | 8 | 17 | 2 | 2 | |
| Long-billed Curlew | 1 | |||||
| Marbled Godwit | 22 | 43 | ||||
| Ruddy Turnstone | 3 | 3 | 10 | 5 | 13 | 11 |
| Black Turnstone | 8 | 1 | ||||
| Sanderling | 4 | 30 | 20 | 290 | 150 | |
| Western Sandpiper | 20 | 4 | 28 | |||
| Least Sandpiper | 2 | 4 | 14 | 7 | ||
| Pectoral Sandpiper | 1 | |||||
| Short-billd Dowitcher | 1 | |||||
| Long-billed Dowitcher | 30 | |||||
| Wilson’s Phalarope | 1 | |||||
| Boneparte’s Gull | 5 | 1 | ||||
| Heermann’s Gull | 125 | 62 | 68 | 41 | 37 | 11 |
| Mew Gull | 1 | |||||
| Ring-billed Gull | 4 | 30 | 97 | 800 | 130 | |
| California Gull | 1 | 3 | 22 | 8 | 500 | 3850 |
| Herring Gull | 1 | 1 | ||||
| Western Gull | 80 | 66 | 73 | 52 | 130 | 110 |
| Glaucous-wingd Gull | 1 | 4 | ||||
| Caspian Tern | 13 | 13 | ||||
| Royal Tern | 2 | 2 | 1 | 2 | ||
| Elegant Tern | 10 | 45 | 40 | 4 | ||
| Common Tern | 8 | |||||
| Forster’s Tern | 5 | 6 | 5 | |||
| Least Tern | 36 | |||||
| Black Tern | 1 | |||||
| Black Skimmer | 35 | 103 | 6 | |||
| Rock Pigeon | 6 | 4 | 12 | 45 | 6 | 13 |
| Mourning Dove | 4 | 3 | 2 | 1 | 2 | 1 |
| Anna’s Hummingbird | 1 | 2 | 2 | 10 | 3 | 3 |
| Allen’s Hummingbird | 6 | 4 | 1 | 6 | 1 | 2 |
| Belted Kingfisher | 1 | 1 | 1 | 1 | ||
| Downy Woodpecker | 1 | |||||
| Gray Flycatcher | 1 | |||||
| Black Phoebe | 2 | 5 | 5 | 8 | 6 | 5 |
| Say’s Phoebe | 1 | 1 | ||||
| Cassin’s Kingbird | 1 | 2 | ||||
| Western Kingbird | 4 | 4 | ||||
| Western Scrub-Jay | 1 | 1 | ||||
| American Crow | 6 | 4 | 3 | 18 | 3 | 18 |
| Common Raven | 1 | |||||
| Tree Swallow | 1 | |||||
| Rough-wingd Swallow | 5 | 3 | 4 | |||
| Cliff Swallow | 10 | |||||
| Barn Swallow | 20 | 8 | 1 | |||
| Bushtit | 6 | 17 | 11 | |||
| Bewick’s Wren | 1 | 2 | 3 | |||
| House Wren | 2 | 2 | 2 | 2 | ||
| Marsh Wren | 4 | 1 | ||||
| Northern Mockingbird | 2 | 5 | 3 | 1 | ||
| European Starling | 80 | 7 | 62 | 15 | ||
| Yellow Warbler | 2 | |||||
| Yellow-rumpd Warbler | 15 | 8 | 12 | |||
| Blk-throated G. Warbler | 1 | |||||
| Townsend’s Warbler | 1 | |||||
| Common Yellowthroat | 4 | 5 | 4 | 10 | 5 | 4 |
| Wilson’s Warbler | 1 | |||||
| Western Tanager | 1 | |||||
| Spotted Towhee | 1 | 1 | ||||
| California Towhee | 2 | 1 | 4 | |||
| Savannah Sparrow | 1 | |||||
| Song Sparrow | 3 | 3 | 4 | 1 | 2 | 4 |
| White-crwnd Sparrow | 4 | 10 | 9 | |||
| Blue Grosbeak | 1 | |||||
| Lazuli Bunting | 6 | |||||
| Red-winged Blackbird | 1 | 2 | 14 | 2 | ||
| Western Meadowlark | 3 | 1 | ||||
| Brewer’s Blackbird | 15 | 1 | ||||
| Great-tailed Grackle | 1 | 1 | ||||
| Brwn-headed Cowbird | 3 | 1 | 3 | |||
| Hooded Oriole | 4 | 1 | ||||
| House Finch | 2 | 4 | 10 | 4 | 2 | |
| Lesser Goldfinch | 2 | 3 | 2 | 5 | 2 | |
| Lawrence’s Goldfinch | 2 | |||||
| American Goldfinch | 2 | |||||
| Totals by Type | July | Aug | Sep | Oct | Nov | Dec |
| Waterfowl | 58 | 71 | 93 | 28 | 108 | 159 |
| Water Birds-Other | 227 | 231 | 339 | 170 | 319 | 349 |
| Herons, Egrets | 28 | 37 | 36 | 13 | 51 | 26 |
| Quail & Raptors | 1 | 0 | 1 | 3 | 3 | 6 |
| Shorebirds | 127 | 162 | 325 | 164 | 490 | 315 |
| Gulls & Terns | 306 | 299 | 249 | 203 | 1481 | 4113 |
| Doves | 10 | 7 | 14 | 46 | 8 | 14 |
| Other Non-Pass. | 7 | 8 | 4 | 17 | 5 | 5 |
| Passerines | 152 | 76 | 176 | 76 | 37 | 86 |
| Totals Birds | 916 | 891 | 1237 | 720 | 2502 | 5073 |
| Total Species | July | Aug | Sep | Oct | Nov | Dec |
| Waterfowl | 3 | 4 | 6 | 5 | 10 | 10 |
| Water Birds-Other | 4 | 5 | 7 | 7 | 12 | 11 |
| Herons, Egrets | 4 | 5 | 5 | 4 | 5 | 4 |
| Quail & Raptors | 1 | 0 | 1 | 3 | 3 | 4 |
| Shorebirds | 10 | 10 | 16 | 5 | 10 | 10 |
| Gulls & Terns | 9 | 8 | 9 | 6 | 9 | 8 |
| Doves | 2 | 2 | 2 | 2 | 2 | 2 |
| Other Non-Pass. | 2 | 4 | 3 | 3 | 3 | 2 |
| Passerines | 16 | 19 | 29 | 14 | 13 | 17 |
| Totals Species – 120 | 51 | 57 | 78 | 49 | 67 | 68 |
Butterbredt Spring Christmas Count: Saturday, 18 Dec., 2010
Our count day came in the middle of all those rainy days in December, but since there were no weather breaks forecast, we decided to go ahead. Chris Lord, myself and Alice joined Jean Garrett and Ellen Vahan at the edge of the circle in Jawbone Canyon about 8:15 a.m. It was a little below 50 degrees and raining very lightly – but that was enough to keep most birds in hiding. We moved up a mile or so and got lucky – most of us spotted a Le Conte’s Thrasher. Little did we know that was to be the high point of the day, and at 9 a.m.!
As we made our way to Butterbredt Spring we began to slip a little in the very fine mud on the road. It was only an inch deep, but it was a perfect lubricant. By the time we reached the Butterbredt turnoff we were having difficulty going forward on the slightest of grades. So, thinking about the steeper roads to come, and the lack of cell phone coverage and other road traffic, we decided we had to turn back. Rats.
On the other side of the 15-mile diameter count circle people were having more luck. Keith Axelson and Mary Prismon covered the back roads near Sageland Ranch without difficulty. Bob Barnes had to skip part of his area, but only a part. Ali Sheehey covered several habitats without spinning out. Everybody reported fewer birds than usual, so we ended up about 10-12 species short of a typical count, and below half the number of birds.
Thanks to all the participants for coming out this year. If you believe in Birding Karma, next year we’ll get record numbers and the weather will be perfect. See you then! [Chuck Bragg]
| Butterbredt Christmas Count 12/18/10 | ||
| Mountain Quail | Oreortyx pictus | 1 |
| California Quail | Callipepla californica | 45 |
| Red-tailed Hawk | Buteo jamaicensis | 4 |
| Mourning Dove | Zenaida macroura | 4 |
| Western Screech-Owl | Megascops kennicottii | 1 |
| Great Horned Owl | Bubo virginianus | 2 |
| Ladder-backed Woodpecker | Picoides scalaris | 1 |
| Nuttall’s Woodpecker | Picoides nuttallii | 1 |
| Hairy Woodpecker | Picoides villosus | 1 |
| Northern (Red-shafted) Flicker | Colaptes auratus | 4 |
| Say’s Phoebe | Sayornis saya | 1 |
| Loggerhead Shrike | Lanius ludovicianus | 2 |
| Steller’s Jay | Cyanocitta stelleri | 31 |
| Western Scrub-Jay | Aphelocoma californica | 16 |
| Pinyon Jay | Gymnorhinus cyanocephalus | 3 |
| Common Raven | Corvus corax | 13 |
| Oak Titmouse | Baeolophus inornatus | 3 |
| Rock Wren | Salpinctes obsoletus | 1 |
| Bewick’s Wren | Thryomanes bewickii | 2 |
| Wren sp. | 1 | |
| Ruby-crowned Kinglet | Regulus calendula | 1 |
| Western Bluebird | Sialia mexicana | 18 |
| Hermit Thrush | Catharus guttatus | 1 |
| California Thrasher | Toxostoma redivivum | 2 |
| Le Conte’s Thrasher | Toxostoma lecontei | 1 |
| Yellow-rumped (Audubon’s) Warbler | Dendroica coronata | 2 |
| Spotted Towhee | Pipilo maculatus | 4 |
| California Towhee | Pipilo crissalis | 13 |
| Black-throated Sparrow | Amphispiza bilineata | 2 |
| Sage Sparrow | Amphispiza belli | 19 |
| Song Sparrow | Melospiza melodia | 7 |
| Lincoln’s Sparrow | Melospiza lincolnii | 2 |
| White-crowned Sparrow | Zonotrichia leucophrys | 436 |
| Golden-crowned Sparrow | Zonotrichia atricapilla | 12 |
| Dark-eyed (Oregon) Junco | Junco hyemalis | 233 |
| Dark-eyed (Slate-colored) Junco | Junco hyemalis | 1 |
| House Finch | Carpodacus mexicanus | 2 |
| Pine Siskin | Spinus pinus | 62 |
| Totals | 955 | |
| Species Total | 36 | |







