translate English to French: Vulnerable, 1985, Endangered, 1994  Population estimates when listed by COSEWIC: no estimate available but not reported on Breeding Bird Survey routes in Canada from 1967 to 1988  Latest population estimate: 25-30 pairs (1997)  Cause of decline: habitat destruction and degradation are suspected to be primary factors  Present causes for concern: habitat loss and degradation; draining, filling and dredging of remaining wetlands; very low population size
Aucune estimation nâ€™est disponible, mais lâ€™espÃ¨ce nâ€™a pas Ã©tÃ© observÃ© sur les parcours du RelevÃ© des oiseaux nicheurs au Canada de 1967 Ã 1988  DerniÃ¨re estimation des populations : 25 Ã 30 couples (1997)  Causes du dÃ©clin : On croit que la destruction et la dÃ©tÃ©rioration de lâ€™habitat constituent les principaux facteurs  Causes de prÃ©occupation actuelles :