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#1 Federal

Mean annual population growth rate and ratio change in abundance of common raven within level II ecoregions of the United States and Canada, 1966 - 2018

Organization: Department of the Interior
Dataset Last Updated: June 06, 2022 at 12:00 AM

These data identify the mean annual population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018.

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:18 PM

#2 Federal

Mean annual population growth rate and ratio change in abundance of common raven within level I ecoregions of the United States and Canada, 1966 - 2018

Organization: Department of the Interior
Dataset Last Updated: June 06, 2022 at 12:00 AM

These data identify the mean annual population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018.

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:08 PM

#3 Federal

Trend estimates of common raven populations in the United States and Canada, 1966 - 2018

Organization: Department of the Interior
Dataset Last Updated: June 06, 2022 at 12:00 AM

These data identify the mean population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018, delineated by ecoregions defined by the...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:04 PM

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Mean annual population growth rate and ratio change in abundance of common raven within level II ecoregions of the United States and Canada, 1966 - 2018

Mean annual population growth rate and ratio change in abundance of common raven within level I ecoregions of the United States and Canada, 1966 - 2018

Trend estimates of common raven populations in the United States and Canada, 1966 - 2018