Project FeederWatch home page
Canadian FeederWatch page
Project FeederWatch
Overview Instructions and Updates Data Entry Data Retrieval News About Birds and Bird Feeding
Return to Data Retrieval Index Page California
Top 25 Most Frequently Reported Feeder Birds, winter 2000-2001
Return to Top 25 index page

Review the Explanation of Terms to understand what these data represent. A total of 421 FeederWatchers reported data from this region.

Rank within region

Common Name (Scientific name)

Percentage of feeders visited

Mean
group size 
(when seen)

FeederWatch
Abundance
Index

1 House Finch (Carpodacus mexicanus) 88 6.87 4.16
2 Mourning Dove (Zenaida macroura) 83 5.09 2.54
3 Western Scrub-Jay (Aphelocoma californica) 83 1.80 0.96
4 Dark-eyed Junco (Junco hyemalis) 80 6.06 2.43
5 Anna's Hummingbird (Calypte anna) 80 1.61 0.77
6 White-crowned Sparrow (Zonotrichia leucophrys) 75 5.17 1.99
7 California Towhee (Pipilo crissalis) 66 1.69 0.63
8 American Robin (Turdus migratorius) 60 2.71 0.35
9 American Goldfinch (Carduelis tristis) 59 6.74 1.15
10 Golden-crowned Sparrow (Zonotrichia atricapilla) 51 3.95 0.78
11 House Sparrow (Passer domesticus) 50 5.64 0.99
12 Pine Siskin (Carduelis pinus) 49 5.79 0.73
13 Lesser Goldfinch (Carduelis psaltria) 48 5.39 0.85
14 Northern Mockingbird (Mimus polyglottos) 39 1.24 0.16
15 "Rufous-sided" Towhee (Pipilo erythrophthalmus/maculatus) 37 1.64 0.24
16 Yellow-rumped Warbler (Dendroica coronata) 35 1.77 0.17
17 Chestnut-backed Chickadee (Poecile rufescens) 33 2.39 0.33
18 Purple Finch (Carpodacus purpureus) 32 3.28 0.21
19 Steller's Jay (Cyanocitta stelleri) 32 3.08 0.38
20 Ruby-crowned Kinglet (Regulus calendula) 32 1.18 0.11
21 American Crow (Corvus brachyrhynchos) 32 2.77 0.23
22 Northern Flicker (Colaptes auratus) 32 1.24 0.10
23 Bushtit (Psaltriparus minimus) 31 6.16 0.20
24 European Starling (Sturnus vulgaris) 27 3.29 0.16
25 Oak Titmouse (Baeolophus inornatus) 26 1.42 0.19


© 2001 Express written permission required for use of images or text on these pages.

FeederWatch is a joint research and education project of:
Cornell Lab of Ornithology Home Page
Bird Studies Canada