Sentences with phrase «killer whale diet»

Estimating killer whale diet composition helps scientists understand interactions between predators and prey, but observing their diet directly is difficult.

Not exact matches

The researchers suspect that killer whales have begun to snack on the otters, perhaps because their regular diet of seals and sea lions is declining.

To find out if differences in diet and culture have also led to two species of killer whales in the Northeast Atlantic, Foote and his colleagues studied the dietary choices and genetic relationships of orcas from Greenland to Norway.

In turn, killer whales that feed on seals consume the equivalent of five tons of plankton for each pound of their body weight.12 This phenomenon would explain why Weston Price found seal oil, which he estimated to constitute 200 calories per day of the Inuit diet, to be several times higher in the fat - soluble vitamins than ordinary cod liver oil.30

The «offshore» killer whales specialize in eating sharks as a major part of their diet and show extreme teeth wear from chewing through abrasive shark hides.

Chinook - aholics Northern Resident killer whales, like their southern counterparts, have unique diets compared to other orcas.