Its beak contains tiny filaments that are able to siphon and strain out the microorganisms that are concentrated in the upper two to three inches [5 to 7 cm] of the water.
To knābjos ir daudz mazu plātnīšu, caur kurām tie kā caur ķemmi izfiltrē sīciņos organismus, kas koncentrējas ūdens virspusē piecu sešu centimetru biezā slānī.