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#Package FLightR version 0.4.6 I have been using FlightR to analyze geolocator data for Grasshopper Sparrows, and I have been really pleased. I am wondering, however, if there is a way to export the kernel density results from the plot_util_distr command into ArcGIS. Exporting the median (w/ 95% CRI) lat/long values for use in ArcGIS (via "add XY data") is easy enough: write.csv(run.particle.filter.Results$Results$Quantiles,"GIS_import.csv") But what about exporting the utilization distributions to ArcGIS for replotting and further manipulation? plot_util_distr(particle.filter.results, dates=data.frame(as.POSIXct('2015-12-01'), as.POSIXct('2016-02-01')), percentiles=c(0.5,0.9), save.options = list(filename="winter.pdf")) I've tried saving or converting the plot object to a SpatialPolygonsDataFrame but I don't know of a way to coerce a 'list' into a SpatialPolygonsDataFrame. I suppose that I could draw the winter.pdf file with a blank background (then geo-reference the winter.pdf file) and bring that file into ArcGIS with the georeference toolbar. That would not be a parsimonious option for my 30+ birds and I still couldn't manipulate the results in ArcGIS (I could only view them). Thanks for your help and suggestions everyone, Jason