By eHow Pets Editor
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A pet lovebird can bring you a lot of enjoyment. Many lovebird owners leave the pet store with many questions about their new pet, like the gender, average lifespan and weight. Although the gender is predetermined, the lovebird's diet determines the lifespan and weight. Average lifespan is anywhere from 6 to 12 years; average weight is 40 to 60 grams.