Sentences with phrase «harbor seal population»

The world wide harbor seal population is estimated to be 500,000 individuals.

Over several weeks, about half the harbor seal population in the canal — 700 salmon - fattened mammals — had become lunch.

The findings may also explain why harbor seal populations are declining in fjords whose glaciers have retreated onto land: Without the acoustic camouflage provided by the bubble - induced din, the seals may have a harder time evading their main predator, the killer whale.

Not exact matches

«The Red Triangle includes roughly 200 miles of coastline.But it's not the beachgoers and surfers that attract great whites to these waters.It's the rich population of other mammals like elephant seals, harbor seals, sea lions, and sea otters.Great whites prefer to prey on these animals instead of humans.

• In the Northern Pacific and the southern Bering Sea, killer whales have been linked to collapsing populations of fur seals and harbor seals.

When those populations thinned out, the theory goes, they moved on to smaller prey, such as harbor seals and sea otters.

Staggering populations of over 70,000 California sea lions, 5,000 northern fur seals, 50,000 northern elephant seals and 1,100 harbor seals breed and pup on the island each year.

It provides breeding and feeding grounds for at least twenty - five endangered or threatened species; thirty - six marine mammal species, including blue, gray, and humpback whales, harbor seals, elephant seals, Pacific white - sided dolphins, and one of the southernmost U.S. populations of threatened Steller sea lions; over a quarter - million breeding seabirds; and one of the most significant white shark populations on the planet.