Ask a Birder: What is the difference between bird songs and bird calls?
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Before we get to a slightly more substantial answer to the question, here
is a shortcut – an analogy to illustrate the difference. Eric is an office
worker...
47 minutes ago
1 comment:
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Would you link to exchange links?
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In exchange, please link my site with the following info:
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TITLE: Bird Cages
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Thanks!
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