The past decade, however, shows a clear downward trend in animals dead per meat-eater. For every land species, numbers were lower in 2010 than they were 2000.
The total animal number is dominated by shellfish. As with most small animal species, a long-term downward trend is marred by a recent uptick in numbers:
The number of cattle and pig deaths have shown a steady decline for more than a decade:
Land animal deaths are dominated by chickens raised for meat, which have shown a sharp 14% decline since 2004, until a sudden reversal of the trend in 2010:
Recent years have seen a increase in deaths of chickens for eggs:
Turkey and duck deaths have both shown dramatic decreases over the last decade, though the large variability makes it difficult to know with confidence whether this marks a trend:
Calculated by Noam Mohr, email@example.com, Jan 2012