Suzanne Kennedy - Stoskopf says: “When prey items for seals are down, that means they have to expend more energy to feed themselves. ”
Suzanne Kennedy - Stoskopf ütleb: „Kui hülged ei saa oma saaki kergesti kätte, tähendab see seda, et nad peavad toidu hankimiseks rohkem energiat kulutama. ”