1don MSN
What makes mountain birds sing at dawn – and why are they sometimes quiet? Ecologists explain
Warblers in high mountain wetlands change their dawn singing with temperature, rain, wind, humidity and moonlight, showing ...
The Bay Area is a permanent or temporary home for 250 different species of resident and migratory birds. Noise can affect ...
Your kids might think that birds simply disappear for the winter. But plenty of species don’t actually migrate south during the cold months; others might be making your neighborhood their winter home.
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