This link has been bookmarked by 3 people . It was first bookmarked on 13 Oct 2007, by Jeremy Price.
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14 Oct 07
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13 Oct 07
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irds communicate by sound and conditions early in the morning are optimal for them to call and sing
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A bird’s life history patterns include when are where it nests, how many offspring does it have, its migratory patterns and how many years does it live.
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n fact, even different individuals of the same species show considerable variation in their behavior.
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when the neighborhood starts to get noisy with human activity, the calls of birds are drowned out
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the relationship between bird populations and healthy neighborhoods
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