With echolocation, and a very fast brain and nervous system, they are able to hear very well underwater.Their fat lobes in the lower jaw is an adaptation for helping sound reach the ears. The ear bones are connected by ligaments allowing separation and improving directional capacity. Studies show that killer whales have a good sense of touch, which is most sensitive around the blowhole and mouth. They show preferences in types of fish that they eat, but little is known about how much they can actually taste. Killer whales have no sense of smell. They have well developed eyesight, with a spherical lens.
Threats to Organism
Orcas are one of the most contaminated marine mammal in the world. They are threatened by pollution and chemical contamination.
N.p., n.d. Web.
"Orcas Unmasked - Did You Know? - National Geograhic Magazine." Orcas Unmasked - Did You Know? - National Geograhic Magazine. N.p., n.d.