The more complete historical data is here: http://www.nwhc.usgs.gov/publications/quarterly_reports/index.jsp http://www.nwhc.usgs.gov/publications/quarterly_rep

The more complete historical data is here: http://www.nwhc.usgs.gov/publications/quarterly_reports/index.jsp http://www.nwhc.usgs.gov/publications/quarterly_reports/inde... the NWHC has quarterly reports on wildlife mortality dating back to 1995 online (and they claim to have records back to 1975 in databases).