The crown from narial feathers to nape is uniform dark brown, the feathers with slightly darker tips. |
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Some areas of the skull, such as the occipital table or the filling of the narial tubes, are preserved without deformation. |
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Another odd characteristic of beavers is that their epiglottis lies above the soft palate, within the narial passage. |
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Their premaxillae are not fused to the surrounding bones, but they form a complete ring around the narial opening. |
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In most cases some or all of the bone lies below the level of the dermal surface bones and inside the narial opening. |
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