W.T. Van Velzen
1967, Maryland Birdlife (23) 100
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Publication Extents
Not all publications have extents, not all extents are completely accurateW.T. Van Velzen
1967, Condor (69) 318-318
No abstract available....
H. M. Wight, L. H. Blankenship, R. E. Tomlinson
1967, Journal of Wildlife Management (31) 832-835
Many immature mourning doves (Zenaidura macroura) cannot be aged by the conventional white-tipped primary covert method if molt has proceeded beyond the 7th primary. A new method of aging doves in this group is based on the presence (immature) or absence (adult) of a buff-colored fringe on the tips of...
C.S. Robbins
1967, Maryland Birdlife (23) 97-98
Frank B. McGilvrey
1967, Annual Report of the Wildfowl Trust (18) 142-145
C.S. Robbins
1967, Maryland Birdlife (23) 11-17
W.C. Russell
1967, Atlantic Naturalist (22) 42-45
W.T. Van Velzen
1967, Kingbird (17) 74
W.T. Van Velzen
1967, Oriole (32) 4-5
W.C. Russell
1967, Atlantic Naturalist (22) 230, 232
W.C. Russell, H.T. Armistead
1967, Maryland Birdlife (23) 62-63
W.T. Van Velzen, G.H. Cole
1967, Maryland Birdlife (23) 87
W.C. Russell
1967, Atlantic Naturalist (22) 128-131
T. McClure, R. Burr, J. Linehan
1967, Audubon Field Notes (21) 464
C.S. Robbins
1967, Maryland Birdlife (23) 70-79
C.S. Robbins
1967, Maryland Birdlife (23) 90-96
W.E. Banko
1967, Proceedings of the Annual Conference, Western Association of State Game and Fish Commissioners (47) 247-261
C.S. Robbins
1967, Maryland Birdlife (23) 36-40
A. D. Geis
1967, Atlantic Naturalist (22) 52-54
L.L. Short Jr., Chandler S. Robbins
1967, The Auk (84) 534-543
Wild hybrid birds are always of interest with regard to our understanding of the variation encountered in nature. They may also be of ore or less taxonomic significance, depending on the frequency of their occurrence and other factors. We herein report and describe an apparent hybrid Northern Waterthrush (Seiurus noveboracensis)...
W. L. Reichel
1967, Journal of Chromatography A (26) 304-306
No abstract available....
L. N. Locke, George E. Bagley
1967, Chesapeake Science (8) 68-69
Four dead Canada geese (Branta canadensis L.) collected at the Prime Hook National Wildlife Refuge, Delaware were found to have both marked duodenal lesions of coccidiosis and high levels of lead in the liver. Although only one goose had lead shot in the gizzard, all four had levels of lead...
N.J. Chura, P.A. Stewart
1967, The Wilson Bulletin (79) 441-448
Twenty-seven Bald Eagles captured in southeastern Alaska were used in feeding tests to determine the effects of DDT in the diet.....Trapping and housing of eagles are discussed. Various aspects of eagle behavior and handling techniques are also presented. Recommendations are made for preventing injuries and increasing the comfort of captive...
L. N. Locke, H.D. Irby, George E. Bagley
1967, Bulletin of the Wildlife Disease Association (3) 143-147
The histopathological response of male game farm mallards fed lead, three types of plastic-coated lead, two lead-magnesium alloys, iron, copper, zinc-coated iron, and molybdenum-coated iron shot was studied. Mallards fed lead, plastic-coated lead, or lead-magnesium alloy shot developed a similar pathological response, including the formation of acid-fast intranuclear inclusion bodies...
L. N. Locke, George E. Bagley
1967, Bulletin of the Wildlife Disease Association (3) 37-37
No abstract available....