Quick Internet search.... https://ourworldindata.org/wild-mammals-birds-biomass
They are referring to biomass.
-
1 cow ~ 1200 lbs / 545 kg
-
1 rat ~ 0.5 lbs / 0.25 kg
1 cow ~ 2400 rats by biomass
Quick Internet search.... https://ourworldindata.org/wild-mammals-birds-biomass
They are referring to biomass.
1 cow ~ 1200 lbs / 545 kg
1 rat ~ 0.5 lbs / 0.25 kg
1 cow ~ 2400 rats by biomass