||Skims are flat and disk-shaped, averaging four meters in diam- eter, with a slightly thickened area at the middle. Four distensible limbs descend from the middle section; these are drawn up flat with the body during flight, but can extend suddenly up to three meters. Two of the limbs end in jagged pincers; one has the Skim’s mouth- parts, which look like trumpet bells, while the fourth has a round swelling on its end, around which three eyes are equally spaced.
Skims are carnivorous, and fly at treetop level in search of prey. Their manner of flight is unmistakable: quick rippling motions of the disk at intervals keep them moving, and between these they soar like a flung plate. Their usual method of attack is to strike with their pincers, soar off, and swoop back to strike again from a different angle. Once their prey is immobilized or dead, they descend, cut up the body with their pincers, and feed
Source: Weird of Hali pg 135