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: 41860
Banded birds recovered in El Salvador
Three records of birds banded in the United States and recovered in El Salvador have recently been received and seem of sufficient importance to warrant immediate publication.
Authors
M.T. Cooke
Returns from banded birds: Recoveries of same banded birds of prey
No abstract available.
Authors
M.T. Cooke
Some autopsy findings in fur animals: Summary of post-mortem examinations at Patuxent Research Refuge, Bowie, Maryland
No abstract available.
Authors
W.H. Armstrong
3,000 wild bird autopsies on western lake areas
No abstract available.
Authors
E. R. Quortrup, J.E. Shillinger
The toxicity of Crotalaria spectabilis seed for quail
Crotalaria as a cover crop is gaining attention in our country's conservation program. This genus of the legume or pulse family consists of more than 100 species. Of this number at least six are known to be very toxic to cattle, sheep, and horses. The seeds of Crotalaria spectabilis are poisonous to bob-whites. Under ordinary conditions, however, they are not eaten by the birds when there is a
Authors
R. B. Nestler, W. W. Bailey
Blood parasites of the District of Columbia and Patuxent Refuge vicinity
No abstract available.
Authors
P.W. Wetmore
Notes on Costia Necatrix
Costiasis, or the disease produced by the flagellated protozoan ectoparasite, Costia necatrix, is of considerable importance in the artificial propagation of both warm- and cold-water fishes. In spite of its importance, costiasis seldom is accurately diagnosed probably because of the extremely small size and sedentary nature of the causative organism. A general resume of the specific diagnostic ch
Authors
F. F. Fish