Just before they plunge into the water from 100 feet [30 m] or so, their wings are drawn back to form an arrowhead and their nostrils are sealed.
Pikējot no kādu 30 metru augstuma, tās sasniedz ātrumu līdz 100 kilometriem stundā. Mirkli pirms saskares ar ūdeni putna spārni saliecas atpakaļ, piešķirot sullai bultas formu.