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OOS Merchandise

OOS Merchandise may be ordered on-line here, or send check/money order in U.S. dollars made payable to OOS to:


Nadine Varner

7845 NE 18th St.

Midwest City, OK 73141.

Date Guide 2019.jpg
OOS Date Guide


Add $3 for international shipping.


This 40-page pamphlet describes the temporal as well as geographic distribution of bird species in Oklahoma. Dividing the state into 7 geographic regions, it shows which species are expected and which are rare in each region, along with the dates during which each may be found there. Color photos on front and back covers. Seventh Edition, published in 2019.

Quantity may be selected after clicking "Buy Now"

Field Checklists of the Birds of Oklahoma (Pack or 10)


Add $2 for international shipping.

Quantity may be selected after clicking "Buy Now"

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