Name of scheme: Censo de Aves Comuns (Common Bird Census)
Organisation: SPEA – Sociedade Portuguesa para o Estudo das Aves (Portuguese Society for the Study of Birds – Birdlife Partner in Portugal)
Status: ongoing
Start: 2004
Number of fieldworkers: 120
Species: 64
Habitats recorded: yes
Methods: point counts
Selection of plots: stratified random
Sustainable support: no
Reference: Hilton, G., Meirinho, A. and Elias, G. (2006): Common Bird Monitoring is up and running in Portugal. Bird Census News 19(1): 9-15.
National indicators: Indice de Aves Comuns (´Common Bird Index´), Indice de Aves Comuns de Zonas Agrícolas (´Farmland Common Bird Index´)

Contact: Joaquim Teodósio, Avenida João Crisóstomo, 18, 4º Dto, 1000-179 Lisboa, Portugal, e-mail: joaquim.teodosio (at) spea.pt.

Indicators produced are used as official indicators in the country: yes