"eBird is designed to collect in-person observations of living wild birds. When eBird data is used for science and conservation, researchers assume observations were made using more or less the same process (i.e., all birds were observed alive and in situ). The process of detecting dead, captive, or online birds differs too greatly from in-person birding for us to combine these observations in our scientific database.
Reports of dead birds often do not provide information on where and especially when the bird was last alive - details that are essential for the analyses that the eBird Science team and other researchers perform with eBird data.
Until the eBird database is able to accommodate these different detection processes, please report only your observations of wild, living birds to eBird."
No need to throw it on eBird. iNat takes sightings of dead birds, I think.