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The calling songs produced by males of the Orthoptera occurring at the field station "Herdade da Ribeira Abaixo" (Centre for Environmental Biology), in Grândola (southern Portugal), are described. The songs were recorded in the field with a portable professional DAT recorder and were analysed in the form of oscillograms and sonagrams. Except for the interesting Gryllotalpa vineae Bennet–Clark, these are the 12 first descriptions of the acoustic parameters and behaviour of the Portuguesedoaj:fb4350b8366948ef9a8c20111302091e fatcat:4ybcw3crgzctpkzek2mq4qzcpu