An intergeneric hybrid wood warbler (Seiurus x Dendroica)
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)...
Sixty-seventh Christmas Bird Count. 250. Southern Dorchester County, Md
C.S. Robbins
1967, Audubon Field Notes (21) 168
The season - October, November, December, 1966
C.S. Robbins
1967, Maryland Birdlife (23) 11-17
Food habits of sea ducks from the north-eastern United States
Frank B. McGilvrey
1967, Annual Report of the Wildfowl Trust (18) 142-145
The 1966 breeding-bird survey in New York
W.T. Van Velzen
1967, Kingbird (17) 74
The Breeding Bird Survey in Georgia, 1966
W.T. Van Velzen
1967, Oriole (32) 4-5
Maryland's first black-necked stilt and fourth ruff
W.C. Russell, H.T. Armistead
1967, Maryland Birdlife (23) 62-63
Aging mourning doves by outer primary wear
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...
Banding Delaware birds
J. T. Linehan
1967, Delaware Conservationist (11) 13-15
Breeding-bird populations in Delaware's urban woodlots
J. T. Linehan, R. E. Jones, J. R. Longcore
1967, Audubon Field Notes (21) 641-646
The passing scene (summer)
J. T. Linehan
1967, Delmarva Ornithologist (4) 6-8
Survival rates in red-winged blackbirds
Don P. Fankhauser
1967, Bird-Banding (38) 139-142
No abstract available. ...
The changing seasons
R. Andrews
1967, Audubon Field Notes (21) 394-396
Delaware breeding records
J. T. Linehan
1967, Delmarva Ornithologist (4) 12-15
Occurrence of the saw-whet owl in Florida
F.H. Lesser, A.R. Stickley
1967, The Auk (84) 425-425
On 31 October 1965 at 1000 hours we observed and collected a Saw-whet Owl (Aegolius acadicus) in adult plumage and in apparently good physical condition at Ponte Vedra, St. Johns County, Florida. The bird flew from beneath a truck to a cross beam in a garage adjoining a large, fresh-water,...
The passing scene (fall)
J. T. Linehan
1967, Delmarva Ornithologist (4) 2025
Birds of the season--March, April, May 1967
J. T. Linehan
1967, Atlantic Naturalist (22) 179-181
Operation recovery, 1966
J. T. Linehan
1967, Delmarva Ornithologist (4) 39-42
Residues in fish, wildlife, and estuaries. Indicator species near top of food chain chosen for assessment of pesticide base levels in fish and wildlife--clams, oysters, and sediment in estuarine environment
R.E. Johnson, T.C. Carver, E. H. Dustman
1967, Pesticides Monitoring Journal (1) 7, 10-13
Federal efforts to determine pesticide levels in fish and wildlife are being carried out by the Bureau of Sport Fisheries and Wildlife, U. S. Department of the Interior. Monitoring estuarine pesticide levels in clams, oysters, and sediments is a joint endeavor of the Bureau of Commercial Fisheries, U. S....
Lead poisoning in Canada geese in Delaware
George E. Bagley, Louis N. Locke, Gordon T. Nightingale
1967, Avian Diseases (11) 601-608
Trainer and Hunt (9) stated that lead poisoning of Canada geese (Branta canadensis) had been reported from three states: North Carolina, Indiana, and Wisconsin. More recently, the Mississippi Flyway Council (8) cited suspected cases of lead poisoning of Canada geese in Massachusetts, New York, Pennsylvania, Delaware,...
Lead poisoning in a black duck
L. N. Locke, George E. Bagley
1967, Bulletin of the Wildlife Disease Association (3) 37-37
No abstract available....
Case report: Coccidiosis and lead poisoning in Canada geese
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...
Histopathology of mallards dosed with lead and selected substitute shot
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...
Haemoproteus, a blood parasite, in domestic pigeons and mourning doves in Maryland
J. O. Knisley Jr., C. M. Herman
1967, Chesapeake Science (8) 200-205
The occurrence of Haemoproteus in pigeons throughout the world and in mourning doves in the United States is reviewed. Haemoproteus has previously been reported only once from pigeons in Maryland. During this study it was found in all of 18 pigeons from one area but in none of 12 from...
Care, food consumption, and behavior of bald eagles used in DDT tests
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...