Cover
Contents
Contribucion Al Conocimiento Del Estatus Generico Del Condor Extinto (ciconiiformes: Vulturidae) Del Cuaternario Cubano
William Suarez
Distribution, Variation, and Taxonomy of Topaza Hummingbirds (aves: Trochilidae)
Da-Shih Hu, Leo Joseph, and David Agro
A New Hummingbirds Subspecies from Southern Bolivar, Venezuela, with Notes on Biogeography and Taxonomy of the Saucerottia Viridigaster-cupreicauda Species Group
Andre Alexander Weller
Effects of Fire on Birds in Paramo Habitat of Northern Ecuador
Marcus T. Koenen and Sarah Gale Koenen
Short Communications
Mercury Levels in Pink-footed Shearwaters (puffinus Creatopus) Breeding on Mocha Island, Chile
Peter H. Becker
Description of the Nest and Eggs of the Shear-tailed Gray-tyrant (muscipipra Vetula) and Considerations on Its Historical Ecology Implications
Carla Suertegaray Fontana, Cristian Marcelo Joenck, and Jan K. Felix Mahler Jr.
Nest and Breeding Behavior of the Black-tailed Leaftosser Sclerurus Caudatus (furnariidae)
Matthew D. Denton and Jason R. Blue-Smith
Avifauna Del Nunatak Bertrab, Barrera De Hielos Filchner, Antartida, Periodo 1995-1996
Jose Luis Orgeira
First Record of Louisiana Waterthrush (seiurus Motacilla) from Cozumel Island, Quintana Roo, Mexico
Tania Macouzet and Patricia Escalante-Pliego
Some Reflections About the Problem of Diffusion of Publications Among Ornithologists Studying Neotropical Birds
Francois Vuilleumier
Short Communications
Mercury Levels in Pink-footed Shearwaters (puffinus Creatopus) Breeding on Mocha Island, Chile
Peter H. Becker
Description of the Nest and Eggs of the Shear-tailed Gray-tyrant (muscipipra Vetula) and Considerations on Its Historical Ecology Implications
Carla Suertegaray Fontana, Cristian Marcelo Joenck, and Jan K. Felix Mahler Jr.
Nest and Breeding Behavior of the Black-tailed Leaftosser Sclerurus Caudatus (furnariidae)
Matthew D. Denton and Jason R. Blue-Smith
Avifauna Del Nunatak Bertrab, Barrera De Hielos Filchner, Antartida, Periodo 1995-1996
Jose Luis Orgeira
First Record of Louisiana Waterthrush (seiurus Motacilla) from Cozumel Island, Quintana Roo, Mexico
Tania Macouzet and Patricia Escalante-Pliego