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7 Titles Match Your Query
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1. Changes in Breeding Bird Populations in North Dakota: 1967 to 1992-93. [usgsbrdnpwrcd00000012]
Breeding bird populations in North Dakota were compared using surveys conducted in 1967 and 1992-93. In decreasing order, the five most frequently occurring species were Horned Lark (Eremophia alpestris), ...


2. Raptor Information System [usgsbrdfresc0007]
The Raptor Information System (RIS) is a computerized literature retrieval system. It deals with raptor management, human impacts on raptors, the mitigation of adverse impacts, and basic raptor biology ...


3. Breeding Bird Census [brdpwrc0007]
Recognizing the importance of long-term studies for improving our understanding of changes in distribution and abundance patterns of avian communities, the former U.S. Bureau of Biological Survey ...


4. 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 ...


5. 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 ...


6. 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 ...


7. Atlantic Canada Conservation Data Centre Georeferenced Rare Species Data - Rare Anadromous Fish, Rare Marine Birds, Rare Marine Mammals [Canada_ACCDC_GeoRefRareSpecies]   CHILD DIFs
The Atlantic Canada Conservation Data Centre (AC CDC) collects data on rare species and natural communities in New Brunswick, Nova Scotia, Prince Edward Island, Newfoundland, and Labrador and in adjacent ...


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