Glomerular filtration rates (GFR) in birds with differing food habits
| Food habit Species . | Body mass (g)* . | GFR (ml h-1)† . | Predicted GFR (ml h-1)‡ . |
|---|---|---|---|
| Nectarivory | |||
| Calypte anna | 5.1 | 2.4 | 2.7 |
| Selasphorus platycercus§ | 3.6 | 2.3 | 2.1 |
| Anthochaera carunculata | 99 | 21.0 | 25.6 |
| Nectarinia osea | 5.8 | 1.8 | 3.0 |
| Omnivory | |||
| Dromaius novaehollandiae | 40700 | 972 | 2485 |
| Anas platyrhynchos | 983 | 162.0 | 146.7 |
| Anas platyrhynchos var. dom. | 2513 | 446.4 | 299.4 |
| Aythya valisineria | 1052 | 136.2 | 154.5 |
| Gallus gallus var. dom. | 1890 | 247.8 | 241.1 |
| Coturnix chinensis | 51.4 | 33.0 | 15.6 |
| Alectoris chukar | 511.7 | 34.8 | 89.3 |
| Melopsittacus undulatus | 37.5 | 8.4 | 12.3 |
| Cacatua roseicapilla | 335.9 | 47.4 | 64.9 |
| Sturnus vulgaris | 77.1 | 30.0 | 21.2 |
| Melospiza melodia | 18.4 | 7.8 | 7.1 |
| Herbivory | |||
| Branta canadensis | 3670 | 374.4 | 399.3 |
| Callipepla gambelii | 158.4 | 13.8 | 36.6 |
| Meleagris gallopavo | 7400 | 340.8 | 680.3 |
| Coturnix pectoralis | 107.3 | 40.8 | 27.3 |
| Coturnix japonica | 122.3 | 93.0 | 30.1 |
| Zenaida macroura | 119 | 16.2 | 29.5 |
| Columba livia | 569.3 | 242.4 | 96.9 |
| Passer domesticus | 22.8 | 7.8 | 8.4 |
| Carnivory | |||
| Bucephala islandica | 767 | 243.6 | 121.5 |
| Falco sparverius | 126.0 | 16.2 | 30.8 |
| Larus argentatus | 1000 | 264.0 | 148.6 |
| Larus dominicanus | 905 | 185.4 | 137.8 |
| Larus glaucescens | 900 | 230.4 | 137.2 |
| Food habit Species . | Body mass (g)* . | GFR (ml h-1)† . | Predicted GFR (ml h-1)‡ . |
|---|---|---|---|
| Nectarivory | |||
| Calypte anna | 5.1 | 2.4 | 2.7 |
| Selasphorus platycercus§ | 3.6 | 2.3 | 2.1 |
| Anthochaera carunculata | 99 | 21.0 | 25.6 |
| Nectarinia osea | 5.8 | 1.8 | 3.0 |
| Omnivory | |||
| Dromaius novaehollandiae | 40700 | 972 | 2485 |
| Anas platyrhynchos | 983 | 162.0 | 146.7 |
| Anas platyrhynchos var. dom. | 2513 | 446.4 | 299.4 |
| Aythya valisineria | 1052 | 136.2 | 154.5 |
| Gallus gallus var. dom. | 1890 | 247.8 | 241.1 |
| Coturnix chinensis | 51.4 | 33.0 | 15.6 |
| Alectoris chukar | 511.7 | 34.8 | 89.3 |
| Melopsittacus undulatus | 37.5 | 8.4 | 12.3 |
| Cacatua roseicapilla | 335.9 | 47.4 | 64.9 |
| Sturnus vulgaris | 77.1 | 30.0 | 21.2 |
| Melospiza melodia | 18.4 | 7.8 | 7.1 |
| Herbivory | |||
| Branta canadensis | 3670 | 374.4 | 399.3 |
| Callipepla gambelii | 158.4 | 13.8 | 36.6 |
| Meleagris gallopavo | 7400 | 340.8 | 680.3 |
| Coturnix pectoralis | 107.3 | 40.8 | 27.3 |
| Coturnix japonica | 122.3 | 93.0 | 30.1 |
| Zenaida macroura | 119 | 16.2 | 29.5 |
| Columba livia | 569.3 | 242.4 | 96.9 |
| Passer domesticus | 22.8 | 7.8 | 8.4 |
| Carnivory | |||
| Bucephala islandica | 767 | 243.6 | 121.5 |
| Falco sparverius | 126.0 | 16.2 | 30.8 |
| Larus argentatus | 1000 | 264.0 | 148.6 |
| Larus dominicanus | 905 | 185.4 | 137.8 |
| Larus glaucescens | 900 | 230.4 | 137.2 |