The Company of Biologists

Table 1.

Body mass and standard metabolic rate of the eight species of birds used in the present study

Species		Body mass^{^a} (g)	Basal metabolic rate (ml O₂ g^-1h^-1)^{^b}
Zebra finch	Taeniopygia guttata	12.6±1.0 (4)	3.28
House sparrow	Passer domesticus	24.6±0.7 (4)	2.46
Starling	Sturnus vulgaris	72.7±2.5 (4)	2.31
Pied currawong	Strepera graculina	283±19 (4)	1.59
Pigeon	Columba livia	462±35 (4)	0.667
Duck	Anas platyrhynchos	2178±61 (4)	0.626
Goose	Anser anser	4487±341 (4)	0.547
Emu	Dromaius novaehollandiae	34975±745 (4)	0.152

Species		Body mass^{^a} (g)	Basal metabolic rate (ml O₂ g^-1h^-1)^{^b}
Zebra finch	Taeniopygia guttata	12.6±1.0 (4)	3.28
House sparrow	Passer domesticus	24.6±0.7 (4)	2.46
Starling	Sturnus vulgaris	72.7±2.5 (4)	2.31
Pied currawong	Strepera graculina	283±19 (4)	1.59
Pigeon	Columba livia	462±35 (4)	0.667
Duck	Anas platyrhynchos	2178±61 (4)	0.626
Goose	Anser anser	4487±341 (4)	0.547
Emu	Dromaius novaehollandiae	34975±745 (4)	0.152

Values are means ± s.e.m.; N (in parentheses) =total number of birds used per species

Basal metabolic rates from table 1 in Hulbert et al.(2002b)