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Publications

This is a list of publications written by Patuxent employees since Patuxent opened in 1939.  To search for Patuxent's publications by author or title, please click below to go to the USGS Publication Warehouse.

Filter Total Items: 8128

Birds of the season Birds of the season

No abstract available.
Authors
E.C. Robbins, C.S. Robbins

Calcium and phosphorus requirements of breeding bobwhite quail Calcium and phosphorus requirements of breeding bobwhite quail

In the course of studies designed to determine the calcium and phosphorus requirements of breeding bobwhite quail, it was found that best results were obtained when the Ca/P ratio in the diet was approximately 2.3:1. Variations in the Ca/P ratio produced significant differences in results when the level of phosphorus in the diet was 0.75%, but the differences were less marked when the...
Authors
J.B. DeWitt, R. B. Nestler, J.V. Derby

Ecology of a nesting red-shouldered hawk population Ecology of a nesting red-shouldered hawk population

An ecological study of a nesting Red-shouldered Hawk population was made over a 185 square mile area on the Coastal Plain of Maryland in 1947. The courting and nesting season extended from late February until late June.....During the nesting season a combination of fairly extensive flood-plain forest with adjacent clearings appears to meet the major ecological requirements of the Red...
Authors
R. E. Stewart

Birds of the season Birds of the season

No abstract available.
Authors
C.S. Robbins

Birds of the season Birds of the season

No abstract available.
Authors
C.S. Robbins
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