Eurasian Siskin Eurasian Siskin, Hafnarfjörður, Höfðaskógur forest Iceland, June 20, 2025Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x teleconverter; 700 mm; ISO 2500; f/11; 1/1000 sec. This page is for the Eurasian Siskin (Spinus spinus).