Whisper of Reason"49 percent of migratory species populations are now in decline, up from 44 percent two years earlier. Around 24 percent face extinction globally.
Sharks and rays populations declined by about half since 1970. Freshwater migratory fish populations droppped by an average of 81 percent between 1970 and 2020.
26 migratory species have moved into higher extinction-risk categories, including 18 birds."
https://www.rfi.fr/en/environment/20260323-nearly-half-of-migratory-species-in-decline-as-un-summit-opens-cop15-brazil-climate-change
Nearly half of migratory species in decline as UN summit opens
A UN summit on migratory species opens in Brazil on Monday as scientists warn that the long journeys of whales, fish, birds and other animals are being disrupted by climate change and human activity – with risks for ecosystems, food supplies and coastal economies.