Summer diet of the Peregrine Falcon in faunistically rich and poor zones of Arizona analyzed with capture-recapture modeling
D. H. Ellis, Catherine H. Ellis, B.A. Sabo, A.M. Rea, J. Dawson, J.K. Fackler, C.T. LaRue, T.G. Grubb, J. Schmitt, D.G. Smith, M. Kery
2004, Condor (106) 873-886
We collected prey remains from 25 Peregrine Falcon (Falco peregrinus) territories across Arizona from 1977 to 1988 yielding 58 eyrie-years of data. Along with 793 individual birds (107 species and six additional genera), we found seven mammals and nine insects. In addition, two nestling peregrines were consumed. We found a...
Coping with unobservable and mis-classified states in capture-recapture studies
W. L. Kendall
2004, Animal Biodiversity and Conservation (27) 97-107
Multistate mark-recapture methods provide an excellent conceptual framework for considering estimation in studies of marked animals. Traditional methods include the assumptions that (1) each state an animal occupies is observable, and (2) state is assigned correctly at each point in time. Failure of either of these assumptions can...
Drought responses of freshwater mussels (Unionidae) in coastal plain tributaries of the Flint River basin, Georgia
P.M. Gagnon, S.W. Golladay, W.K. Michener, Mary C. Freeman
2004, Journal of Freshwater Ecology (19) 667-679
During extreme drought conditions, mussel survival and habitat conditions were monitored weekly at nine locations representing a gradient in stream size in the lower Flint River basin, Georgia, USA. Cumulative unionid mortality ranged from 13 to 93% among sites, and was associated with low flow velocity (below 0.01 m/s)...
Cytochrome P450 activity in green frogs (Rana clamitans melanota) exposed to water and sediments in the Fox River and Green Bay, Wisconsin, USA
R.E. Jung, W. H. Karasov, M. J. Melancon
2004, Bulletin of Environmental Contamination and Toxicology (73) 955-963
No abstract available....
Zinc toxicosis in a free-flying trumpeter swan (Cygnus buccinator)
J. W. Carpenter, G.A. Andrews, W. N. Beyer
2004, Journal of Wildlife Diseases (40) 769-774
A trumpeter swan (Cygnus buccinator) was observed near it mill pond in Picher, Oklahoma. USA. It became weakened and emaciated after about 1 mo, was captured with little resistance, and taken into captivity for medical care. Serum chemistry results were consistent with hepatic, renal, and muscular damage....
Designation of the type species of Musaraneus Pomel, 1848 (Mammalia: Soricomorpha: Soricidae)
N. Woodman
2004, Proceedings of the Biological Society of Washington (117) 266-270
The genus name Musaraneus often is attributed to Brisson (1762), however, most of Brisson's names are unavailable. Pomel (1848) subsequently made the name Musaraneus available, but did not designate a type species. The 18 species that Pomel listed under Musaraneus currently are distributed among five modern genera, two...
Nest-site selection and hatching success of waterbirds in coastal Virginia: Some results of habitat manipulation
R.A. Rounds, R.M. Erwin, J.H. Porter
2004, Journal of Field Ornithology (75) 317-329
Rising sea levels in the mid-Atlantic region pose a long-term threat to marshes and their avian inhabitants. The Gull-billed Tern (Sterna nilotica), Common Tern (S. hirundo), Black Skimmer (Rynchops niger), and American Oystercatcher (Haematopus palliatus), species of concern in Virginia, nest on low shelly perimeters of salt marsh islands on...
Changes in lagoonal marsh morphology at selected northeastern Atlantic coast sites of significance to migratory waterbirds
R.M. Erwin, G.M. Sanders, D.J. Prosser
2004, Wetlands (24) 891-903
Five lagoonal salt marsh areas, ranging from 220 ha to 3,670 ha, were selected from Cape Cod, Massachusetts to the southern DelMarVa peninsula, Virginia, USA to examine the degree to which Spartina marsh area and microhabitats had changed from the early or mid- 1900s to recent periods. We chose areas...
Extraordinary size and survival of American black duck, Anas rubripes, broods
J. R. Longcore, D.G. McAuley
2004, Canadian Field-Naturalist (118) 129-131
Two female American black duck, Anas rubripes, were initially observed during June 1982 with 20 Class Ib or 18-22 Class Ia-b ducklings in two wetlands in Hancock County, Cherryfield, Maine. Fifteen of 20 ducklings (75%) in one brood and 16 of 18-22 ducklings (72-89%) in the other brood survived...
Evaluating mallard adaptive management models with time series
P.B. Conn, W. L. Kendall
2004, Journal of Wildlife Management (68) 1065-1081
Wildlife practitioners concerned with midcontinent mallard (Anas platyrhynchos) management in the United States have instituted a system of adaptive harvest management (AHM) as an objective format for setting harvest regulations. Under the AHM paradigm, predictions from a set of models that reflect key uncertainties about processes underlying population dynamics are...
Bat strike!
S. Peurach
2004, Flying Safety Magazine (60) 18-19
Atlantic Flyway review: Region IV - Fall 2003: Patuxent powerline right-of-way (390-0764)
Deanna K. Dawson
2004, North American Bird Bander (29) 126-127
The station was operated on fewer days than usual in 2003, opening a bit later, closing a week early, and missing several good days in September through mid-October, when the manager/lead bander was conducting research on migrating birds in Lower Delmarva. As a result, capture totals for many species are...
Atlantic Flyway review: Region IV - Fall 2003
Chandler S. Robbins
2004, North American Bird Bander (29) 124-131
We welcome the Eden Mill station in northeastern Maryland to Region IV this year. With three stations reporting their worst year ever, we really need to be refreshed. After a cool and wet July, August was hot and wet in the east. Temperatures in September remained close to normal, but...
The first mangrove swallow recorded in the United States
P.W. Sykes Jr., L.S. Atherton, M. Gardler, J.H. V Hintermister V
2004, North American Birds (58) 4-11
Demographic estimation methods for plants with dormancy
M. Kery, K.B. Gregg
2004, Animal Biodiversity and Conservation (27) 129-131
Demographic studies in plants appear simple because unlike animals, plants do not run away. Plant individuals can be marked with, e.g., plastic tags, but often the coordinates of an individual may be sufficient to identify it. Vascular plants in temperate latitudes have a pronounced seasonal life–cycle, so most plant demographers...
Large-scale habitat associations of four desert anurans in Big Bend National Park, Texas
Gage H. Dayton, R.E. Jung, Sam Droege
2004, Journal of Herpetology (38) 619-627
We used night driving to examine large scale habitat associations of four common desert anurans in Big Bend National Park, Texas. We examined association of soil types and vegetation communities with abundance of Couch's Spadefoots (Scaphiopus couchii), Red-spotted Toads (Bufo punctatus), Texas Toads (Bufo speciosus), and Western Green Toads (Bufo...
Nonlethal development, validation, and application of cytochrome P4501A1 (CYP1A1) as a biomarker for contaminant exposure
M. J. Melancon
2004, Toxicological Sciences (80) 216-217
No abstract available. ...
The relationship between species detection probability and local extinction probability
R. Alpizar-Jara, J.D. Nichols, J.E. Hines, J.R. Sauer, K. H. Pollock, C.S. Rosenberry
2004, Oecologia (141) 652-660
In community-level ecological studies, generally not all species present in sampled areas are detected. Many authors have proposed the use of estimation methods that allow detection probabilities that are < 1 and that are heterogeneous among species. These methods can also be used to estimate community-dynamic parameters such...
Influence of weather extremes on the water levels of glaciated prairie wetlands
W.C. Johnson, S.E. Boettcher, K.A. Poiani, G. Guntenspergen
2004, Wetlands (24) 385-398
Orchid Meadows is a long-term wetland research and monitoring site on the Coteau des Prairie in extreme east-central South Dakota, USA. It is a 65-ha Waterfowl Production Area with numerous temporary, seasonal, and semi-permanent wetlands. Ground water and surface water have been monitored at the site from 1987...
Restoration of floodplain forests for the conservation of migratory landbirds
D.J. Twedt, C. Best
2004, Ecological Restoration (22) 194-203
Detection of Ehrlichia chaffeensis in adult and nymphal stage lone star ticks (Amblyomma americanum) from Long Island, New York
T.R. Mixson, H. S. Ginsberg, S.R. Campbell, J.W. Sumner, C.D. Paddock
2004, Journal of Medical Entomology (41) 1104-1110
The lone star tick, Amblyomma americanum (L.), has increased in abundance in several regions of the northeastern United States, including areas of Long Island, NY. Adult and nymphal stage A. americanum collected from several sites on Long Island were evaluated for infection with Ehrlichia chaffeensis, the causative agent of human...
How we can learn more about the Cerulean Warbler (Dendroica cerulea)
P.B. Hamel, D.K. Dawson, P.D. Keyser
2004, The Auk (121) 7-14
A sense of urgency attends the study of species of concern, like the Cerulean Warbler (Dendroica cerulea). Sharpened by Robbins et al. (1992) and Hamel (1992), such concern prompted the U.S. Department of the Interior, Fish and Wildlife Service (USFWS) to commission a status assessment of the Cerulean Warbler (Hamel...
The effect of nitrogen loading on a brackish estuarine faunal community: A stable isotope approach
R.A. Keats, L.J. Osher, H.A. Neckles
2004, Estuaries (27) 460-471
Coastal ecosystems worldwide face increased nutrient enrichment from shoreline and watershed development and atmospheric pollution. We investigated the response of the faunal community of a small microtidal estuary dominated by Ruppia maritima (widgeon grass) in Maine, United States, to increased nitrogen loading using an in situ mesocosm enrichment experiment....
Phylogenetic relationships of the endangered Shenandoah salamander (Plethodon shenandoah) and other salamanders of the Plethodon cinereus group (Caudata: Plethodontidae)
J.W. Sites, M. Morando, R. Highton, F. Huber, R.E. Jung
2004, Journal of Herpetology (38) 96-105
The Shenandoah salamander (Plethodon shenandoah), known from isolated talus slopes on three of the highest mountains in Shenandoah National Park, is listed as state-endangered in Virginia and federally endangered under the U.S. Endangered Species Act. A 1999 paper by G. R. Thurow described P. shenandoah-like salamanders from three localities further...
Dispersal and individual quality in a long lived species
E. Cam, J. #NAME? Monnat, J. Andrew Royle
2004, Oikos (106) 386-398
The idea of differences in individual quality has been put forward in numerous long-term studies in long-lived species to explain differences in lifetime production among individuals. Despite the important role of individual heterogeneity in vital rates in demography, population dynamics and life history theory, the idea of 'individual quality' is...
