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.
Tema noka servi katavad tillukesed sarvliistakud, mille abil ta saab filtreerida veest mikroorganisme, mis on koondunud järve 5 - kuni 7 - sentimeetrisesse pinnakihti.