USA NPN National Phenology Network

Taking the Pulse of Our Planet

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Status of Spring

Status of Spring

Spring was early across much of the US in 2017, arriving 2-3 weeks earlier than a long-term average in the South, Great Basin, Great Plains, Midwest and mid-Atlantic. Many parts of west coast states and small portions of the east coast were 1-3 weeks late.

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The USA National Phenology Network

The USA National Phenology Network

We bring together citizen scientists, government agencies, non-profit groups, educators and students of all ages to monitor the impacts of climate change on plants and animals in the United States. Learn more about the USA-NPN

What is Phenology?

What is Phenology?

Phenology refers to key seasonal changes in plants and animals from year to year—such as flowering, emergence of insects and migration of birds—especially their timing and relationship with weather and climate.

Learn more about phenology

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USA National Phenology Network


USFWS Phenology Network Website

New USFWS Portal dynamically displays data for Refuges

December 15, 2017

The new USFWS Phenology Network website is a place to explore what refuges are finding through their phenology monitoring programs. Start with the five Refuge Highlights on the homepage, then explore the other refuges using Nature's Notebook on the Phenology on the Refuges page. Coming in January, all refuges across the country will be able to track the Status of Spring on their refuge.     

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Observers Needed

100% of 2017 observation goalNational Phenology Database reaches 12 million records

Nature's Notebook observers have submitted 2.8 million records and counting this year to the National Phenology Database. As of December 14, 2017, the Database reached 12 million records!

              Learn more about Nature's Notebook »