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The band-tailed pigeon (Patagioenas fasciata) is distributed in 2 distinct regions of western North America. The Pacific Coast band-tailed pigeon (P. f. monilis) occurs from British Columbia south to Baja California in the mountains and foothills primarily west of the crest of the Cascade-Sierra Nevada Mountains. Band-tailed pigeons on the Pacific Coast regularly visit and congregate at mineral sites where they obtain salt and other minerals. State wildlife biologists monitor populations of band-tail pigeons using counts of birds at mineral sites. Understanding the breeding distribution and migration strategies of band-tailed pigeons will help optimize this survey. Recent advances in the miniaturization of satellite...
Use of existing marine protected areas (MPAs) by far-ranging marine turtles can be determined using satellite telemetry. Because of a lack of information on MPA use by marine turtles in the Gulf of Mexico, we used satellite transmitters in 2010 and 2011 to track movements of 11 adult female breeding green turtles (Chelonia mydas) tagged in Dry Tortugas National Park (DRTO), in the Gulf of Mexico, south Florida, USA. Throughout the study period, turtles emerged every 9–18 days to nest. During the intervals between nesting episodes (i.e., inter-nesting periods), the turtles consistently used a common core-area within the DRTO boundary, determined using individual 50% kernel-density estimates (KDEs). We mapped the...
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The U.S. Geological Survey (USGS) Data at Risk (DaR) team partnered with the Forest and Rangeland Ecosystem Science Center (FRESC) to preserve and release a subset of their golden eagle telemetry data. In the 1990’s, researchers from what is now FRESC worked with Boise State University (BSU) and collected telemetry and ground observation data that documented the local and migratory movements and behaviors of golden eagles. Over the course of this study 21 golden eagles in the conterminous western US were captured and marked with Argos platform terminal transmitters (PTTs) and tracked by satellite as they moved between breeding and wintering locations (individuals marked with Argos PTTs and tracked by satellite are...
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The USGS Western Ecological Research Center (WERC) comprises a dispersed science community collocated with DOI agencies, academic institutions, or proximal to critical ecosystems. WERC scientists conduct peer-reviewed research using innovative tools to provide natural resource managers with the knowledge to address challenges to ecosystem function and service in Pacific West landscapes. Four Scientific Themes define the research of WERC scientists: Species and Landscape Response to Human Activity Renewable energy development, urbanization, water abatement, prescribed fires, barriers to movement, and invasive species are among key factors that impact Pacific western US natural resources. To identify potential impacts...
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The satellite data consist of 9,253 estimated locations of 21 golden eagles (Aquila chrysaetos) that were satellite-tagged in either east-central Idaho (Salmon, Idaho) or southwestern Idaho (Snake River National Conservation Area) and tracked between 1993 and 1997 via the Argos satellite system. The raw eagle tracking data provided by Argos were filtered one time using a version of the Douglas Argos-Filter Algorithm and converted into XLS spreadsheet form. This preservation project preserved the geospatial and satellite information from the XLS spreadsheet and released it in shapefile format (Satellite_Data.shp) and CSV format (Satellite_Data.csv). Each tagged bird in this dataset has a unique PTT number that is...
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The banding data provides a comprehensive list of where and when each of the 21 golden eagles were captured, tagged (all satellite-tagged, some also radio-tagged) and deployed. The banding data is organized into a spreadsheet (Banding_Records.csv) that provides basic information on each bird as well as any notes about recaptures or deaths. The Capture_Sheets.pdf is a supplemental document that provides more detailed biological and spatiotemporal information about 15 of the tagged individuals. Individual golden eagles can be identified across the three datasets with their unique and consistent PTT numbers.
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Of the 21 golden eagles satellite-tagged in Salmon, Idaho and Snake River National Conservation Area, 10 were also radio-tagged with tail-mounted very high frequency (VHF) transmitters to allow for behavioral observations between 1993 and 1994. The observed data were originally processed as a DIF file. The Data at Risk preservation project transformed the original DIF file data into CSV format and created a shapefile from the geospatial points. The observed data shapefile (Observed_Data.shp) provides the 682 estimated locations of the golden eagles and all behavioral observations taken in the field. The information provided in the Observed dataset can be related to the other two datasets via each bird’s unique PTT...
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The objective of our study was to compare winter movement patterns of sympatric greater and lesser sandhill cranes (Grus canadensis tabida and G. c. canadensis) wintering in the Sacramento-San Joaquin Delta region of California (Delta). We marked 31 greaters and 45 lessers with VHF radios and recorded their roosting and feeding locations throughout the wintering periods in 2007/08 and 2008/09. Ten of the lessers were also marked with platform terminal transmitters and tracked via the Argos Satellite System. Compared to lessers, locations of greaters were much more predictable. Greaters showed strong fidelity to wintering sites and moved between discrete wintering areas less frequently. During the second year of...


    map background search result map search result map Sandhill Cranes Satellite Telemetry Points Band-tailed Pigeon Satellite Telemetry Points Golden Eagle (Aquila chrysaetos) Satellite Telemetry and Observational Data, Western North America, 1993-1997 Satellite Data, Golden Eagles (Aquila chrysaetos), Western North America, 1993-1997 Observational Data, Golden Eagles (Aquila chrysaetos), Idaho and Oregon, United States, 1993-1994 Banding Data, Golden Eagles (Aquila chrysaetos), Idaho, United States, 1993-1996 Observational Data, Golden Eagles (Aquila chrysaetos), Idaho and Oregon, United States, 1993-1994 Banding Data, Golden Eagles (Aquila chrysaetos), Idaho, United States, 1993-1996 Band-tailed Pigeon Satellite Telemetry Points Sandhill Cranes Satellite Telemetry Points Satellite Data, Golden Eagles (Aquila chrysaetos), Western North America, 1993-1997 Golden Eagle (Aquila chrysaetos) Satellite Telemetry and Observational Data, Western North America, 1993-1997