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Birds of a Feather…. Birds sing to comunicate Males usually sing Defend territeory and attract mates Syringeal muscles create tension on membranes Produces varied mellodies Thrush sings beutiful songs. Song Birds. Bird Migration.
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Birds sing to comunicate • Males usually sing • Defend territeory and attract mates • Syringeal muscles create tension on membranes • Produces varied mellodies • Thrush sings beutiful songs Song Birds