GREGARIOUS NESTING BEHAVIOR OF THICK-BILLED PARROTS (RHYNCHOPSITTA PACHYRHYNCHA) IN ASPEN STANDS

@inproceedings{MonterrubioRico2006GREGARIOUSNB,
  title={GREGARIOUS NESTING BEHAVIOR OF THICK-BILLED PARROTS (RHYNCHOPSITTA PACHYRHYNCHA) IN ASPEN STANDS},
  author={Tiberio C. Monterrubio-Rico and Javier Cruz-Nieto and Ernesto C. Enkerlin-Hoeflich and Diana VENEGAS-HOLGUIN and Lorena TELLEZ-GARCIA and Consuelo MARIN-TOGO},
  year={2006}
}
Abstract We studied Thick-billed Parrot (Rhynchopsitta pachyrhyncha) nest-site density and social nesting behavior from 1998 to 2001 in Madera, Chihuahua, Mexico. The species formed high-density nesting clusters; 45 nesting attempts (30%) involved nesting pairs sharing nest trees, with a maximum of three nesting pairs per tree. The majority of nest trees were live or dead quaking aspens (Populus tremuloides). Clusters contained a mean of 11.5 breeding pairs (5 nests/ha). The highly social… 

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