Thumbnail Icon [Data_Center: Short_Name='DOI/USGS/BRD/PWRC/NABBS']


Refine by Category
 
Refine by Full text

 

4 Titles Match Your Query
Showing 1 through 4 of 4
1. Maryland Miniroute Project [brdpwrc0005]
Survey of population change and trend of breeding birds in Maryland. Geographic Description: Maryland and Delaware Methodology: Roadside survey route of birds. Starts at a random point. 15 stops ...


2. North American Breeding Bird Survey (BBS) [brdpwrc0004]   CHILD DIFs
The North American Breeding Bird Survey (BBS), which is coordinated by the Biological Resources Division and Canadian Wildlife Service, is a primary source of population trend and distribution information ...


3. The North American Breeding Bird Survey Results and Analysis, 1966-2005 [PWRC_BBS2003]   PARENT DIF
The Breeding Bird Survey is a source of information about distributions and population changes of North American birds. It is also a tool for learning about birds, with with connections ...


4. Maryland Winter Bird Survey [BRD_PWRC004_MDwinterbirds]
[For a more detailed metadata record, See: "http://www.im.nbs.gov/winter/winter.html"] A winter bird survey was conducted throughout Maryland, primarily by volunteers, during the 6 winters of 1988 ...


Showing 1 through 4 of 4
Click here for a static view of records.

Link to Web Site