Rare Bird Forecast BETA

You can access the latest Rare Bird Forecast HERE

This forecast uses current geomagnetic conditions (and some other stuff) to predict the appearance of vagrant birds during the spring and fall migration seasons. You can read more about the methodology in Tonelli et al, 2023. If you are interested, check out this related paper on the same phenomenon, measured via radar.

2025 – Fall 2025 – Spring

2024 – Fall 2024 – Spring

2023 – Fall 2023 – Spring

2022 - Fall 2022 - Spring

2021 - Fall 2021 - Spring