VERSLAGEN EN TECHNISCHE GEGEVENS Institute for Systematics and Population Biology (Zoological Museum) University of Amsterdam P.O. Box 94766, 1090 GT Amsterdam The Netherlands No. 69, October 1996 Status and conservation of old-growth forests and endemic birds in the pine-oak zone of the Sierra Madre Occidental, Mexico J.M. Lammertink J.A. Rojas-Tome F.M. Casillas-Orona and R.L. Otto ISSN 1385-3279 Status and conservation of old-growth forests and endemic birds in the pine-oak zone of the Sierra Madre Occidental, Mexico Estatus y conservacion de los bosques maduros y las aves endemicas en la zona de pino-encino de Ia Sierra Madre Occidental, Mexico by J.M. Lammertink, J.A. Rojas-Tome, F.M. Casillas-Orona and R.L. Otto cartography: Hubert Kivit photography: Martjan Lammertink addresses: Martjan Lammertink Institute for Systematics and Population Biology P.O. Box 94766 1090 GT Amsterdam, The Netherlands fax:(## 31) 20 525 7238 e-mail:
[email protected] Jorge Rojas-Tome Departamento de Zoologia Instituto de Biologia UNAM Apartado Postal 70-153 04510 Mexico D.F. Del. Coyoacan, Mexico fax:(## 52) 5 550 0164 e-mail:
[email protected] Federico Casillas-Orona SEMARNAP Durango Calle Pasteur 620 nte 34000 Durango, Durango, Mexico fax(## 52) 18 12 72 26 Roger Otto Calle Tecnologico 205-1 Col. Olga Margarita 34000 Durango, Durango, Mexico tel. (##52) 18 176924 or: 420 E-main Pierce, Nebraska 68767 USA © Institute for Systematics and Population Biology University of Amsterdam P.O. Box 94766 1090 GT Amsterdam, The Netherlands ISSN 1385-3279 Table of contents Summary.....................................................................................