Use "crossbills" in a sentence

1. However, they were once considered abundant, with numbers comparable to those of White-winged Crossbills (COSEWIC 2004).

1.3 Tailles et tendances des populations Il n’existe aucune information quantitative qui permettrait d'évaluer les effectifs ou les tendances de la population historique de Becs-croisés des sapins de Terre-Neuve.