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A bird’s eye view of habitat and migration

Birds migrating in the fall may go as far south as Mexico or even South America. They may start as early as August or as late as November. Southerly migration may be slower because more food is available in northern reaches. Some species take two to three months while others may arrive in less than a month.

Habitats can be unproductive due to wildfires or drought. I did a fair amount of bird photography in the Sierra Nevada mountains in California in the mid to late 1980s. Since that time wildfires have burned much forest. This has left large areas that now have low productive food sources.

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