What astonishing potential wild lifespan is cited for the South American Rufous-bellied Thrush?
Answer
25 to 30 years
The documented potential lifespan of the Rufous-bellied Thrush, observed in its native South American environment, significantly surpasses the maximum recorded ages for many of its North American relatives. This extreme difference is a powerful illustration of how broadly the term 'thrush' applies and how profoundly geography and local ecological pressures influence survival rates. While migratory North American species face intense challenges during movement and harsh breeding conditions, the life expectancy in the stable, non-migratory context of the Rufous-bellied Thrush suggests a much higher genetic potential for longevity can be realized when environmental pressures are moderated.
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