00000nam 2200000zi 4500 9.947375 CaOODSP 20250721145512 m o d f cr cn||||||||| 250124t20252025qucad ob f000 0 eng d 9780660754291 CaOODSP eng rda CaOODSP n-cn--- En4-144/88-2025E-PDF Canadian environmental sustainability indicators : trends in Canada's bird populations. Trends in Canada's bird populations Gatineau QC : Environment and Climate Change Canada = Environnement et changement climatique Canada, 2025. ©2025 1 online resource (19 pages) : illustrations, graphs text txt rdacontent computer c rdamedia online resource cr rdacarrier Cover title. Issued also in French under title: Indicateurs canadiens de durabilité de l'environnement : tendances des populations d’oiseaux du Canada. "May 2025." Includes bibliographical references (page 11). "Birds are sensitive to environmental changes, such as habitat loss and pollution, so the health of bird populations can be used as an indicator of ecosystem health. While bird populations fluctuate naturally, rapid declines can signal the need for urgent conservation action. This indicator tracks changes in the population trends of various groups using native Canadian bird species that are representative of their ecological groups"--Trends in Canada's bird populations, page 5. Bird populations Estimates Canada. Environmental indicators Canada. Canada. Environment and Climate Change Canada, issuing body. Indicateurs canadiens de durabilité de l'environnement : (CaOODSP)9.947376 Canadian environmental sustainability indicators : December 2019 (CaOODSP)9.882092 PDF 549 KB https://publications.gc.ca/collections/collection_2025/eccc/en4/En4-144-88-2025-eng.pdf HTML N/A https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/trends-bird-populations.html EC25115