Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16783
Fifty-third Christmas Bird Count. 142. Southern Dorchester County, Md
No abstract available.
Authors
G. J. Smith
Fifty-third Christmas Bird Count. Summary of highest counts of individuals
No abstract available.
Authors
C.S. Robbins
The effects of DDT upon the survival and growth of nestling songbirds
In an experiment conducted during the summers of 1949 and 1950 at the Patuxent Research Refuge, Laurel, Maryland, two aerial applications of DDT were made at the rate of 3 pounds per acre. Sprayings were made over an experimental area of about 20 acres of abandoned fields bordered by woods and hedgerows. T\vo hundred and ninetythree bird boxes, with three different sizes of openings to accommodate
Authors
R.T. Mitchell, H.P. Blagbrough, R.C. VanEtten
Small only in size
A record small game trophy may be your next bag. You can check the weights of 27 fur bearers in the following pages. Pictures and charts are by expert technicians.
Authors
A. C. Martin
The season - September, October, November, December, 1952
No abstract available.
Authors
C.S. Robbins