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Publications

These publications showcase the significant science conducted in our Science Centers.

Filter Total Items: 16779

The season - March and April 1951

No abstract available.
Authors
C.S. Robbins

Every ounce counts

A game bird's weight means everything to you. Here, in full color, are 27 of our most popular birds with weight charts --by expert technicians.
Authors
A. C. Martin, A.L. Nelson

Plastic neck-bands on Canada geese

No abstract available.
Authors
J.H. Steenis

Molting of northern yellow-throat in southern Michigan

During the summer of 1938, detailed studies were made of the molts of the Northern Yellow-throat, Geothlypis trichas brachidactyla, in southern Michigan. Observations of the post-natal molt were made each day on nestlings found near Geddes Pond, one mile east of Ann Arbor. Studies of the post-juvenal and post-nuptial molts were from fresh specimens collected at Portage Lake in Jackson County.
Authors
R. E. Stewart

Fur productivity of submarginal farmland

A submarginal tract of a thousand acres on the Patuxent Research Refuge, Laurel, Maryland, was trapped for three seasons (1943-46) to determine the fur-productivity of the area. The tract yielded 392 fur animals, the pelts of which were sold at public auction for $1119.00. This resulted in an average income from trapping of approximately forty cents per acre per year. The habitats most prod
Authors
F.M. Uhler, L. M. Llewellyn