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| Description: | White-crowned Sparrows (Zonotrichla leucophrys) mating | |||
| Location: | Fort Mason, San Francisco, California | Film: | D2XS 4296x2860 NEF | |
| Focal Len.: | 400mm | |||
| Exposure: | F5.6, 1/125sec | |||
| Photo ID: | X0193.25 | |||