Morphological comparison of the syrinx in MACN-PV 19.748 and enhanced contrast CT images of neognath exemplars. Key features discussed in the text are illustrated. Scale bar == 5mm or 1 cm.
| ventral view | dorsal view | lateral view of the tracheobronchial junction | lateral / anterior / posterior view of pessulus | ||||
|---|---|---|---|---|---|---|---|
| Alligator mississippiensis |
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n/a |  |
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| Casuarius casuarius |
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n/a | n/a | n/a |
| Northoprocta perdicaria |
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n/a | n/a | n/a |
| Ortalis vetula |  |
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| Colinus virginianus |  |
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| Gallus gallus |  |
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| MACN-PV 19.748 |  |
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| Chauna torquata |
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| Presbyornis sp. |  |
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n/a |  |
n/a |
| Anseranas semipalmata |
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| Cairina moschata |  |
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| Chen caerulescens |  |
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| Gavia immer |  |
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| Fulmarus glacialis |  |
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n/a | n/a |
| Phoebastria nigripes |  |
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