Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16785
Distribution and abundance of nesting ospreys in the United States
Nesting Ospreys (Pandion haliaetus) in the contiguous United States now number about 8,000 pairs. Five regional populations exist (in order of abundance): Atlantic Coast, Florida and Gulf Coast, Pacific Northwest, Western Interior, and Great Lakes. Pesticides severely impacted the populations in the northern portion of the Atlantic Coast (Boston to Cape May) and the Great Lakes, but both are now r
Authors
C. J. Henny
Reproductive success of great black-backed and herring gulls in response to egg-oiling
No abstract available.
Authors
S.J. Lewis, R.A. Malecki
Status of the red-cockaded woodpecker on Federal lands in the South
No abstract available.
Authors
M.R. Lennartz, P.H. Geissler, R.F. Harlow, R.C. Long, K.M. Chitwood, J.A. Jackson
Statistical problems arising from surveys of rare and endangered forest birds
No abstract available.
Authors
F.L. Ramsey, J. M. Scott, R.J. Clark
Monitoring bird population trends in North America
Se ofrece un nuevo metodo para computar las oscilaciones demograficas de las aves a lo largo de los anos. Con los datos suministrados por el proyecto 'Aves nidificantes en Norteamerica' , se indican en la Tabla 1 las pautas de cambio numerico de una serie seleccionada de aves holarticas.
Authors
C.S. Robbins, D. Bystrak, P.H. Geissler
Distribution and migration of seaside sparrows
The majority of the nine presently recognized races of the Seaside Sparrow (Ammospiza maritima) are so similar to neighboring races that individual birds outside their known breeding range cannot be subspecifically identified with certainty. The northern race, A. m. maritima, is partially migratory, with most individuals departing in autumn from Chesapeake Bay and from all the coastal marshes tha
Authors
C.S. Robbins
Directory of selected Fish and Wildlife Service aquaculture facilities and services
No abstract available.
Authors
J. P. McCraren
Circulating corticosteroid and leucocyte dynamics in channel catfish during net confinement
No abstract available at this time.
Authors
J.R. Tomasso, B.A. Simco, K. B. Davis
Fish and Wildlife Service policy on aquaculture seedstock
No abstract available.
Authors
J. P. McCraren
You asked for it! The economic loss from bullfrogs eating fish
No abstract available.
Authors
M. Martin