A specimen from Cagayancillo had upper mandible black; lower mandible pea-green, tip bluish; legs very dark green; nails dark brown.
Iris with outer orange and inner brown ring; bill yellow, red at base of lower mandible.
Bill black above shading on sides into yellow of lower mandible; feet pale ruddy brown or wine-color.
In summer, head and throat browner, lower mandible swollen at sides and grayish at base.
Primaries white tinted with pearl; bill with red spot at end of lower mandible.
Around the eyes and under the lower mandibleruns a broad line of splendid cinnabar red, which passes over the cheeks, the region of the ear, sides of the throat and nape.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "lower mandible" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.