Fig. 1

Photograph of the laryngeal mound (LM) of Cattle Egret within the pharyngeal floor (ph), located caudal to the lingual root (LR). Showing glottis (Gtt) accompanied by rostral laryngeal sulcus (red short arrow) with deep groove (g), and shallow laryngeal sulcus (short arrow), a transverse row of papillae (arrowheads) demarcated from the esophagus (OS). Scale bar = 1 cm