This study uses data that stops 5 years ago. As the end of the article mentions, populations can fluctuate quickly in response to conditions. It's nice to have

This study uses data that stops 5 years ago. As the end of the article mentions, populations can fluctuate quickly in response to conditions. It's nice to have a meta-study with reliable trends, but it's not an up-to-date result. Edit: for example, Monarch populations are up +99% year-on-year. https://journeynorth.org/monarchs/news/spring-2025/030525-eastern-monarch-population-count-announced https://journeynorth.org/monarchs/news/spring-2025/030525-ea...