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Tag Archives: mountain bluebird
In the aftermath of fire, bluebird species boundaries may blur
One of the most clear-cut reasons that species evolve to fill different ecological niches is competition. Two otherwise similar species that use the same resources experience strong selection favoring the use of less-similar resources, if they have the option. The … Continue reading
Posted in birds, evolution, hybridization, natural history, population genetics
Tagged mountain bluebird, western bluebird
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