Magnitude and distribution of oxygen stores in penguins
| Bird . | Respiratory volume (ml kg-1) . | Total body oxygen (ml O2 kg-1) . | Respiratory system (%) . | Blood (%) . | Muscle (%) . | Measuring condition . | Source . |
|---|---|---|---|---|---|---|---|
| King penguin | 69* | 45 | 23 | 30 | 47 | Restrained | Ponganis et al. (1999) |
| King penguin | 125* | 54 | 35 | 25 | 40 | Free-ranging | Present study |
| Adélie penguin | 165* | 55 | 45 | 29 | 26 | Restrained | Kooyman et al. (1973), Kooyman and Ponganis (1998) |
| Adélie penguin | 200* | 61 | 50 | 26 | 24 | Free-ranging | Present study |
| Bird . | Respiratory volume (ml kg-1) . | Total body oxygen (ml O2 kg-1) . | Respiratory system (%) . | Blood (%) . | Muscle (%) . | Measuring condition . | Source . |
|---|---|---|---|---|---|---|---|
| King penguin | 69* | 45 | 23 | 30 | 47 | Restrained | Ponganis et al. (1999) |
| King penguin | 125* | 54 | 35 | 25 | 40 | Free-ranging | Present study |
| Adélie penguin | 165* | 55 | 45 | 29 | 26 | Restrained | Kooyman et al. (1973), Kooyman and Ponganis (1998) |
| Adélie penguin | 200* | 61 | 50 | 26 | 24 | Free-ranging | Present study |
No correction for air in feathers. Kooyman et al.(1973) demonstrated that plumage air of restrained Adélie penguins was not more than 10% of the total air volume.