Which habitats do Costa's Hummingbirds favor in their typical breeding grounds?
Answer
Desert scrub, creosote bush flats, and sagebrush
The preferred ecological niche for the Costa's Hummingbird during its core breeding season is characterized by arid and dry conditions. These birds show a strong association with specific desert biome features, namely desert scrub environments, flat areas dominated by creosote bush, and sagebrush habitats. For instance, in Arizona, they are closely tied to the Sonoran Desert ecosystem. This marked preference for hot, dry environments contrasts sharply with more widespread species, meaning they are defining members of that specific arid biome rather than generalist backyard visitors.

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