1. Birds of the Acary Mountains, southern British Guiana;Blake;Fieldiana,1950
2. Variation in resource abundance affects capture rates of birds in three lowland habitats in Costa Rica;Blake;Auk,1991
3. Community organisation in hummingbirds: Relationships between morphology and ecology;Brown;Auk,1985
4. Neotropical avian diversity and riverine barriers;Capparella;Proc. Int. Orn. Congr.,1991