Further data on removal and repopulation of the breeding birds in a spruce-fir forest community
M.M. Hensley, J.B. Cope
1951, The Auk (68) 483-493
During June and July of 1950 the writers were engaged in a study of bird populations in northern Maine in conjunction with investigations to determine the effectiveness of the breeding bird population as a controlling agent of the spruce budworm, Choristoneura fumiferana. The field work was started in 1949 and...
Fifty-first Christmas bird count. Summary of highest counts of individuals
C.S. Robbins
1951, Audubon Field Notes (5) 185-188
The woods is full of 'em!
D.L. Allen
1951, Field and Stream (56) 32-33,
Fifteenth breeding bird census: Mixed northern hardwood, spruce-fir forest
J.B. Cope, M.M. Hensley
1951, Audubon Field Notes (5) 318
Fifteenth breeding-bird census. 23. Scrub spruce bog
C.S. Robbins, R. E. Stewart
1951, Audubon Field Notes (5) 325
Fifteenth breeding-bird census. 13. Mature northern hardwood forest
C.S. Robbins, R. E. Stewart
1951, Audubon Field Notes (5) 320-321
Winter bird-population study. 15. Lightly grazed brackish marsh
C.S. Robbins
1951, Audubon Field Notes (5) 236
The season--November and December 1950
C.S. Robbins
1951, Maryland Birdlife (7) 18-20
Good money after bad
D.L. Allen
1951, Field and Stream (56) 16-17,
Bird-banding in Maryland
S.H. Low
1951, Maryland Birdlife (7) 21-22
The stone age lingers on
D.L. Allen
1951, Field and Stream (55) 49-52,
Ringneck pheasant management
F.H. Dale
1951, Wildlife Leaflet 332
Birds as a factor in controlling insect depredations
C. Cottam, F.M. Uhler
1951, Wildlife Leaflet 224 (reissued)
Bobwhite propagation and management
F.H. Dale
1951, Wildlife Leaflet 335
Effects of DDT on saltmarsh wildlife: 1949
P. F. Springer, J.R. Webster
1951, Special Scientific Report - Wildlife 10
Briefly describes DDT experimental spraying program, wildlife species studied, the marsh, and tidal movements. Discusses resulting effects of DDT on vertebrates and invertebrates....
Chronic toxicity of some new insecticides to bobwhite quail
J.P. Linduska, P. F. Springer
1951, Special Scientific Report - Wildlife 9
Presents and discusses results of toxicity studies on northern bobwhite (Colinus virginianus). Compounds tested were chlordane, toxaphene, DDT, benzene hexachioride, methoxychior, TDE (Rhothane}, and parathion....
Food of game ducks in the United States and Canada
A. C. Martin, F.M. Uhler
1951, Research Report No. 30
Ponds and rivers
S.H. Low
Shirley A. Briggs, Chandler S. Robbins, editor(s)
1951, Book chapter, Where birds live: Habitats in the Middle Atlantic States
Marshes
R. E. Stewart
S.A. Briggs, C.S. Robbins, editor(s)
1951, Book chapter, Where Birds Live: Habitats in the Middle Atlantic States
Maryland and the District of Columbia
R. E. Stewart, C.S. Robbins
1951, Book chapter, A Guide to Bird Finding East of the Mississippi
Bays and estuaries
R. E. Stewart
S.A. Briggs, C.S. Robbins, editor(s)
1951, Book chapter, Where birds live: Habitats in the Middle Atlantic States
Bird Migration Memorandum No. 8
C.S. Robbins
1951, Book
Wildlife Review No. 52 through No. 66
N. Hotchkiss, editor(s)
1951, Book
No abstract available....
Where Birds Live: Habitats in the Middle Atlantic States
S.A. Briggs, C.S. Robbins, editor(s)
1951, Book
American wildlife and plants
A. C. Martin, H.S. Zim, A.L. Nelson
1951, Book
