Catalog Search Results
Author
Series
Peterson field guide volume 2
Publisher
Houghton Mifflin
Pub. Date
1961.
Description
On title page : Field marks of all species found in North America west of the 100th meridian, with a section on the birds of the Hawaiian Islands.
Author
Series
Technical publication volume no. 64
Publisher
Colorado Parks and Wildlife
Pub. Date
2024.
Description
This report investigate occupancy rates for the southern white-tailed ptarmigan in 2011, 2021, and 2022 in northern, central, and southern Colorado. Estimates of occupancy for males increased from 2011-2022. Conversely, female and chick occupancy declined from 2011 to 2021.
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