Most of them are mainly calm, but the families Picidae, Sturnidae, Hirundinidae or Motacillidae or species like Luscinia svecica, for example, are extremely nervous and it is necessary to restrain them to prevent fluttering. Precaution must be also taken with fragile species such as some of the genus Emberiza.
Alambre de púa, de hierro o aceroParaCrawl Corpus ParaCrawl Corpus