Largely killer whales eat fish. Salmon is a favourite creature of their food plan. Northern killer whales eat bigger prey reminiscent of sea lions, harbor seals, porpoises, grey whales or Minke whales. Typically a killer whale pushes itself ashore to seize a seal or sea lion after which slides again into the ocean. The food plan of offshore killer whales contains blue sharks, salmon sharks and sharks. One of the vital fascinating information about these animals is that an grownup can eat 100 kg of meals per day. These animals hunt with the assistance of echolocation. That is what they’ve in frequent with dolphins. Orcas make a high-frequency sound. When the sound hits an object, it bounces again to the animal. An orca can decide whether or not an object is prey by the kind of echo sound that returns to it!
A bat makes use of the identical looking technique because it flies by the air. Who knew that orcas and bats had one factor in frequent! Though these animals don’t have any pure predators, they do face some threats. Water air pollution is a menace to habitats. Additionally, orcas are typically killed by industrial fishermen as a result of they eat a lot of the prey fishermen are attempting to catch. Tourism poses one other menace to orcas. Boats with vacationers on them can disrupt the atmosphere and actions. Respiratory issues, coronary heart illness, Hodgkin’s illness, and tumors are some examples of illnesses that have an effect on these animals. They will additionally change into stranded on a seashore and die.