All we really see is what they do outside of the water... ... butwhoknowswhat they do under the ice... ... wheretheyspend two-thirds of their lives.
Me näeme, mida nad teevad väljaspool vett, aga pole olnud eriti uuringuid, mida nad teevad jää all, kus nad veedavad kaks kolmandikku oma elust.