West expereinces 58% decline in winter monarch
The Xerces Society’s New Year’s report shows that the western monarch butterfly population has fallen significantly below average, with a population of about 116,758 monarch butterflies. Seasonal mortality, primarily due to winter weather and predation, has hovered between about 35-49% during the last six winters.of Estimates for 2022-2023 show a 58% decline This is above […]
