Do GREY whales eat sea lions?
Do GREY whales eat sea lions?
Depending on the whale’s size, social structure, environment, species, and type (baleen or toothed), their diets can change drastically from small aquatic life forms such as fish, shrimp, larvae, plankton, crabs, krill, and squid to large marine mammals (which are generally consumed by a killer whale) such as sea lions …
How much can a gray whale eat in a day?
Gray whales eat about 150,000 kg (340,000 lbs.) of food during a 130 to 140 day feeding period–a daily average intake of about 1,089 kg (2,400 lbs.). It is estimated to take 300 kg (660 lbs.) of food to fill a gray whale’s stomach.
Do gray whales eat sharks?
| Interesting Facts and Information. That’s a great question! The only Cetacea known to hunt, attack successfully, and/or eat sharks is the killer whale (possibly the false killer whale as well, although not much is known or well researched about this species).
Is a gray whale a carnivore?
Gray whales (like all baleen whales) are seasonal feeders and carnivores. They are bottom feeders (benthic feeders). They sieve through the mud on the bottom of the ocean floor of the Arctic with their baleen.
What are the gray whales diet?
Gray whales are opportunistic feeders and their diet include a wide range of crustaceans including ghost shrimp and amphipods, as well as herring eggs, polychaete worms, and various kinds of larvae. Gray whales are polygynandrous (or promiscuous); courtship and mating behaviors are complex, and often involve 3 or more individuals simultaneously.
Do grey whales have baleen?
Gray whales have no dorsal (back) fins. Instead, they have a low hump and a series of six to twelve knuckles or bumps. Gray whales are baleen whales, and each has approximately 300 plates of cream-colored baleen hanging from its upper jaw.
What is the size of a grey whale?
Gray whales measure from 4.9 m (16 ft) in length for newborns to 13-15 m (43-49 ft) for adults (females tend to be slightly larger than adult males). Newborns are a darker gray to black in color. A mature gray whale can reach 40 t (44 short tons), with a typical range of 15-33 t (17-36 short tons). Oct 28 2019
What is a grey whale?
Gray whale. The gray whale (Eschrichtius robustus), also known as the grey whale, gray back whale, Pacific gray whale, or California gray whale, is a baleen whale that migrates between feeding and breeding grounds yearly. It reaches a length of 14.9 meters (49 ft), a weight of 36 tonnes (40 short tons), and lives between 55 and 70 years.