Descriptor : nostrils' form

Monitors' nostrils mayhave different forms.
Look at the head in side view or dorsal view in order to appreciate this characteristic.

../images/silhouettetete.jpg

List of states

well round

Nostrils look like a quite perfect circle.

oval or split-like

Nostrils are not perfectly round: they are oval or they present a split-like form.

Belongs to the group