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Bird Migration Card - 1937
Bird Migration Card - 1937
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Title: Bird Migration Card - 1937

Description: Image scan of a historical bird migration card. This is just an example of the more than 6 million handwritten cards stored in government files, in the North American Bird Phenology Progam, with more than a century of information about bird migration, a veritable treasure trove for climate-change researchers because they will help them unravel the effects of climate change on bird behavior. This card: Ruby-Throated Hummingbird

Location: McMillan, MI, USA

Date Taken: May 30 1937

Photographer:
Photographer Email:
Photographer Organization: U.S. Geological Survey


Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.

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File Details:
Type: JPEG image - 466.53 KB
Dimensions: 2868 x 1182

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Tags: BirdCards NR2009_03_18 migration phenology

 

 

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