Publications
This list of publications includes peer-review journal articles, official USGS publications series, reports and more authored by scientists in the Ecosystems Mission Area. A database of all USGS publications, with advanced search features, can be accessed at the USGS Publications Warehouse.
Filter Total Items: 41758
Fiftieth Christmas bird count. A summary of largest counts of individuals
No abstract available.
Authors
C.S. Robbins
Snowy owls were recorded on 58 Christmas counts this year [map]
No abstract available.
Authors
C.S. Robbins
Phosphorus poisoning in waterfowl
Black ducks and mallards were found to be highly susceptible to phosphorus poisoning. 3 mg. of white phosphorus per kg. of body weight given in a single dose resulted in death of a black duck in 6 hours. Pathologic changes in both acute and chronic poisoning were studied. Data are presented showing that diagnosis can be made accurately by chemical analysis of stored tissues in cases of phosphorus
Authors
D.R. Coburn, J.B. DeWitt, J.V. Derby, E. Ediger
Notes on some winter birds of north central New Mexico
The observations recorded below were made in Santa Fe, Sandoval and Rio Arriba counties during the winter of 1939-1940. Occasional specimens, 54 in all, collected for racial identification, are deposited in the Museum of Zoology, University of Michigan.
Authors
R. W. Allen