Spanish Sparrow (Passer hispaniolensis) Science Article 2
[…]. During the breeding season of 2002 (from May to June), the breeding biology of the Spanish Sparrow was studied in the region of Castro Verde (37 deg 41?N, 08 deg 03?W, Alentejo, Southern Portugal). The Castro Verde region is a cereal steppe with cereal crops alternating with fallow grounds. The small Eucalyptus plantations and olive groves that abound in the area are used by the sparrows to nest. […].
Marques, P., Ardeola 50(2), 2003, 251-253