Monarch population size over winter 2019-2020 announced by WWF Mexico: not great news!
The last 10 years have been a wild ride for the monarch butterfly population. Between 2010 and 2014 was the all-time population low, as recorded during overwintering in Mexico and reported by the WWF. This terrible low point, something I termed in the “red zone” corresponded to the 100-year drought in Northern Mexico & Texas, and the two are most… Read more