由于气候变化和息地丧失, 40 年来哈德逊海豚数量下降了 95%, 这促使全球保护工作. The Hudsonian godwit has declined 95% in 40 years due to climate change and habitat loss, prompting global protection efforts.

哈德逊海鸟每年从北极迁移至巴塔哥尼亚, 每年可达3万公里. 在过去的40多年中,由于气候变化,农业和水产养殖造成的生境丧失以及迁徙线索的转变, 海鸟数量已下降95%. The Hudsonian godwit, a shorebird migrating up to 30,000 km annually from the Arctic to Patagonia, has declined 95% over four decades due to climate change, habitat loss from agriculture and aquaculture, and shifting migration cues. 联合国在巴西召开的CMS会议提出了42种国际保护项目, The species is among 42 proposed for international protection at the UN’s CMS meeting in Brazil, where nations aim to strengthen conservation efforts. 尽管有法律承诺保护迁徙物种及其息地,但最近的一份报告显示49%的列出物种正在减少,特别是鸟类和鱼类. Despite legal commitments to protect migratory species and their habitats, a recent report shows 49% of listed species are declining, especially birds and fish. 由于人口恢复, 巴克特里亚鹿可能被列入名单. A rare positive sign is the potential downlisting of the Bactrian deer due to population recovery.