Cattle Document Research Science 
10,000 Birds
JANUARY 5, 2016
To an intermediate-level birder like me, the material in Better Birding –highly focused, detailed, based on the latest research and years of field experience– is daunting, but also fascinating. Sullivan are birders as well as writers, researchers, and organizational administrators, and this makes a big difference.
10,000 Birds
MARCH 18, 2011
UNLESS that is you get yourself down to the internationally-renowned Tambopata Research Centre in southern Peru where literally hundreds of macaws (and other parrots) congregate around a 50 meter high clay bank. These threats are further exacerbated by the naturally low reproductive rates of these cavity-nesting birds.
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