CornellLabofOrnithology / ebird-best-practices

Best Practices for Using eBird Data
https://CornellLabOfOrnithology.github.io/ebird-best-practices/
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Question about abundance maps from eBird #11

Open kaeli-mueller opened 3 years ago

kaeli-mueller commented 3 years ago

Hello, I am new to using eBird data and trying to figure out which kind of data would be best for my project. I want to find a way to look at bird abundance over a broad region. I am trying to find the best way to work with abundance maps. I was able to find the individual species abundance maps, but I am only able to download those maps as a .png file and the image is of the entire webpage. Is there a way to download the raster file for each of these species abundance maps? Any advice is appreciated!

mstrimas commented 3 years ago

Are you referring to the eBird Status & Trends abundance maps, e.g. https://ebird.org/science/status-and-trends/woothr? If so, you'll want to look at the ebirdst R package: https://github.com/CornellLabofOrnithology/ebirdst. Currently it provides access to last year's data, but will be updated some time this summer to provide access to the newer data just released this past December.

kaeli-mueller commented 3 years ago

Thanks that was helpful to look into the ebirdst package on github to familiarize myself with the data! But I couldn't find what I was looking for. Just to make sure I'm not missing anything, are there any species abundance maps in raster form that are available to download and use for data layers, or do people always have to generate their own rasters through R when using eBird data? I am hoping to look at abundance across several species and was planning on layering several abundance raster maps to do the analysis.

mstrimas commented 3 years ago

I don't think I understand what you're asking for. The R package that I linked gives you the ability to download modeled abundance raster data for a set of ~ 600 species. This is the only raster abundance data available.