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: 41756
Preliminary map showing the winter distribution of the red crossbill
No abstract available.
Authors
C.S. Robbins
Eleventh breeding bird census. 14. Dry deciduous scrub
No abstract available.
Authors
C.S. Robbins, R. E. Stewart, M. Karplus
Eleventh breeding-bird census. 13. Damp deciduous scrub with numerous standing dead trees
No abstract available.
Authors
R. E. Stewart, M. Karplus, C.S. Robbins
Eleventh breeding-bird census. 22. Virgin central hardwood deciduous forest
No abstract available.
Authors
R. E. Stewart, C.S. Robbins
Recent observations on Maryland birds
In the course of working on a study of the 'Geographical and Ecological Distribution of the Birds of Maryland,' a considerable number of records of occurrence have been obtained, which have helped to clarify the status of many Maryland birds. Some of these records are new for the state and many serve to extend the known breeding or wintering ranges within Maryland. Others will serve as additional
Authors
R. E. Stewart, C.S. Robbins
Eleventh breeding-bird census. 35. Mature deciduous flood plain forest with openings
No abstract available.
Authors
P. Burch, E. Cooley, H. Johnston, W. Kirsher, C.S. Robbins, E.J. Stivers, D.M. Thatcher