RAJCHARD, J.; PROCHÁZKA, J.; KINDLMANN, P. Long-term decline in Common Swift Apus apus annual breeding success may be related to weather conditions. Ornis Fennica, [S. l.], v. 83, n. 2, p. 66–72, 2006. Disponível em: https://ornisfennica.journal.fi/article/view/133656. Acesso em: 9 apr. 2025.