Sentences with phrase «eating top predators»

In addition, unlike many other krill - eating top predators in the Antarctic, such as whales and fur seals, they were not hunted by humans,» said Dr. Trivelpiece.

In her research, she has found that people who eat top predator fish like shark, swordfish and marlin have more mercury in their blood but not necessarily more omega 3's and selenium — a nutrient that is abundant in fish — than people who eat seafood that is lower on the food chain, like sardines, shellfish, anchovies and herring.

Not exact matches

That's the main finding of a study appearing May 23 in Nature Communications that analyzed the relationship between top predators on three different continents and the next - in - line predators they eat and compete with.

If the smaller fish's top predators are culled, the former's numbers will grow, and they will consume more of the invertebrates: suddenly the fledgling starfish have fewer creatures eating them.

Up there with sex and eating, recognizing predators is a top priority for any prey species.

Vigilance — time spent head up, looking for threats — is essential for survival in systems with top predators, but it comes at the expense of time spent eating.

Many of these predators near the top of the food chain are generalists; some will occasionally also eat plant material.

That's a big human health concern in the Arctic, where people top the food chain, eating large predators such as seals and whales.

Ivory gulls are top predators, meaning they eat fish and scavenge dead seals and polar bears.