![Conservation biology / Biology / Breeding bird survey / Loggerhead Shrike Conservation biology / Biology / Breeding bird survey / Loggerhead Shrike](https://www.pdfsearch.io/img/e4938c8e3b3219706d30bff8775294fa.jpg) Date: 2015-01-16 07:58:00Conservation biology Biology Breeding bird survey Loggerhead Shrike | | ComprehensiveResults! North American Breeding Bird Survey The Challenge: Like the canary in the coal mine, wild birds have long been recognized as bellwethers for environmental health. By monitoring populatiAdd to Reading ListSource URL: www.pwrc.usgs.govDownload Document from Source Website File Size: 746,19 KBShare Document on Facebook
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