Many female harp seals delayed giving birth for up to two weeks as they searched for ice.

许多雌海豹为了寻找冰块而将生产时间推迟了长达两周。

youdao

Harp seals make ice their main habitat, and they give birth on ice, partly as protection from predators on land.

格陵兰海豹主要生活在冰上，并且在冰上产崽。这么做，部分原因是出于躲避陆地上的掠食者。

youdao

In Port au Choix, Newfoundland, and other communities around the gulf, hundreds of desperate harp seals arrived in late winter to give birth on fragments of ice clinging to the shoreline.

冬末时，成百上千只走投无路的海豹来到纽芬兰Port au Choix港及其他沿海湾地区，就在靠海岸线的零零碎碎的冰块上产崽了。

youdao

The population of harp seals has been estimated at about 6.9m, more than three times what it was in the 1970s.

BBC: A seal laying in the Gulf of St Lawrence, Canada

In one area, a ban on the hunting of whitecoat harp seals led to an explosion in the bears' food supply.

WSJ: Are Polar Bears Really Disappearing?