Jaw muscle mass and body mass for bird species from different families and with a wide range of body sizes
| Family . | Species . | Body mass (g) . | Jaw muscle mass (mg) . |
|---|---|---|---|
| Rheidae | Rhea americana* | 12500.0 | 19800.0 |
| Anatidae | Anas plathyrhynchos | 997.9 | 7176.0 |
| Psittacidae | Poicephalus senegalus | 148.5 | 4133.8 |
| Columbidae | Columbia livia | 537.0 | 1820.8 |
| Rallidae | Fulica atra | 450.1 | 1483.0 |
| Charadriidae | Calidris canutus | 130.9 | 359.4 |
| Laridae | Larus argentatus | 415.9 | 4364.8 |
| Laridae | Larus ridibundus | 189.1 | 2185.6 |
| Paridae | Parus major | 15.2 | 115.2 |
| Passeridae | Passer luteus | 12.7 | 172.2 |
| Ploceidae | Euplectus hordeacea | 19.3 | 268.2 |
| Emberizidae | Emberiza elegans | 16.9 | 90.0 |
| Family . | Species . | Body mass (g) . | Jaw muscle mass (mg) . |
|---|---|---|---|
| Rheidae | Rhea americana* | 12500.0 | 19800.0 |
| Anatidae | Anas plathyrhynchos | 997.9 | 7176.0 |
| Psittacidae | Poicephalus senegalus | 148.5 | 4133.8 |
| Columbidae | Columbia livia | 537.0 | 1820.8 |
| Rallidae | Fulica atra | 450.1 | 1483.0 |
| Charadriidae | Calidris canutus | 130.9 | 359.4 |
| Laridae | Larus argentatus | 415.9 | 4364.8 |
| Laridae | Larus ridibundus | 189.1 | 2185.6 |
| Paridae | Parus major | 15.2 | 115.2 |
| Passeridae | Passer luteus | 12.7 | 172.2 |
| Ploceidae | Euplectus hordeacea | 19.3 | 268.2 |
| Emberizidae | Emberiza elegans | 16.9 | 90.0 |
Gussekloo (2000)