USA NPN National Phenology Network

Taking the Pulse of Our Planet

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Swainson hawk returns

I spotted my first Swainson hawk in Chino Valley on February 16, 2017. This is 6 weeks earlier than the first ones  I spotted last year. These amazing hawks winter in the South American Pampas of Argentina, Uruguay, Paraguay and Brazil and return to the North American grasslands for the summer season.

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