Not all birdsong is created equal. Though the melodies of many songbird species vary geographically, the songs of black-capped chickadees show remarkable consistency across most of the species' North American range.
Plants & Animals
Jan 6, 2016
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Like many Neotropical fauna, sloths are running out of room to maneuver.
Ecology
Jul 11, 2012
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As solitary animals, giant pandas have developed a number of ways to communicate those times when they are ready to come into close contact. One means of this communication occurs through scent marking. A recent study by ...
Plants & Animals
Aug 27, 2012
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