Table : table 57.1 Production Efficiencies of Consumers
Consumer groupProduction efficiency (%)
Endotherms
Birds1.3
Small mammals1.5
Large mammals3.1
Ectotherms
Fishes and social insects9.8
Nonsocial insects40.7
Herbivores38.8
Detritivores47.0
Carnivores55.6
Non-insect invertebrates25.0
Herbivores20.9
Detritivores36.2
Carnivores27.6

Source: Data from Humphreys 1979.