Phenology Week! March 16-20, 2026
March 16-20, 2026 is Phenology Week - a virtual celebration of the seasonal cycles of plants and animals. The purpose of Phenology Week is to celebrate YOU, our Nature's Notebook observers, Local Phenology Programs, and partners! Read more
2026 Heat Accumulation vs Rodent Prognostication
On February 2, 2026, Punxsutawney Phil made his annual prediction of what the next six weeks of weather will bring. According to Phil, more winter is on the way! But what does the science say? Read more
Spruce budworm affects more than just spruce trees
Insect pests, like emerald ash borers and spongy moths, pose a significant threat to forests in North America. Management of these pests depends on information about which trees are at greatest risk and which treatments are likely to be most effective. Outbreaks of spruce budworm can de... Read more
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Track seasonal changes in plants and animals throughout the year with Nature's Notebook.
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